Từ đồ thị hàm số \(y=a{{x}^{4}}+b{{x}^{2}}+c\,\,\l...
Câu hỏi: Từ đồ thị hàm số \(y=a{{x}^{4}}+b{{x}^{2}}+c\,\,\left( a\ne 0 \right)\) được cho dạng như hình vẽ, ta có:![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAASsAAAEHCAYAAAD2ymD5AAAACXBIWXMAABJ0AAASdAHeZh94AAAgAElEQVR4nO3deXSU5b0H8O87+0xmy0wmeyYJYUnACAhEBbUI9WCt6EUvioh2se5atda6cXvl3F572mpxr/V4rApCUVsF5ahQdxHRALJKgISQZJLMvu/Lc//IzRSQJQlJ3nnf+X3O6R/SZObLQL487/M+7/NwjDEGQgjJcRK+AxBCyEBQWRFCBIHKihAiCFRWhBBBkPEdgAgHYwypVAoAIJVKIZHQv3Vk9FBZkQFLJBLYv38/otEo6urqYDab+Y5E8giVFRmwWCyG5uZm+P1+6PV6Kisyqmgcn8fi8TicTie6u7uRTCazv55KpRCJRJBIJHDkMrxYLIavv/4amzZtgtPp5CMyyWNUVnmsu7sbn332Gd59913s378/W1h2ux1btmxBb28v0ul09uvj8Ti2bduGzZs3w+Vy8RWb5CkqqzzldDrhcrmg0+mgVqvx1FNPwePxAAC2b9+OJ598Ep2dnUeVVSqVQmtrK2w2G3w+H1/RSZ6isspDjDHs2bMHFosFBoMB3333HcrLyyGT9U1hdnd3Y9euXZg4cSKUSmX2e9rb27Ml1dXVhUgkwtvvgeQfKqs8xHEcysvLUVNTA4fDga+++gqXXHIJjEYj4vE4vF4vysvLUVhYmP0ep9OJHTt2ZEdabW1taG1t5eu3QPIQlVWeGj9+PACgtbUVPp8P06dPh1Qqxc6dOxEMBnHuuece9fW9vb3Ytm1b9r8PHDiAAwcOjGpmkt+orPLYoUOHEAwG0djYCI7jAPSVUDgcxuTJk4/6Wrvdju3bt2f/m8qKjDYqqzzm9XqRTqdRWlqa/bX9+/fD5/PhzDPPPOpru7u7sWfPnux/OxwOtLW1jVrWfEa7OPURfFkd7w+S/nAHZuzYsSgpKUFrayu2bt2KTZs2YePGjYjFYmhsbMx+nd/vP+78VGdnJw4dOjSakfNCMBjE7373O9x444346KOPsqPefCf4Fewcx8Hr9eLDDz9Ee3s7FixYgLq6Or5jCYJOp8OsWbNQWFgIqVQKj8cDtVqNioqKo77u4MGDOHjw4Pe+v//SsLa2drQi54VEIoHPP/8c+/fvxwUXXMB3nJwh+JEVAPh8PqxevRr33Xcfdu/ezXccQYjFYnjvvfcQDAaxaNEiTJgwAXa7HdOmTfveD0hra+txL/kcDge+/fbb0YqcNxhjiMViKCwsREFBAd9xcoYoykqpVKKmpgYAjlrESE6sp6cHv//97/Hkk09mf+3999/H+PHjMW/evKO+tqOjAx0dHd97DYfDgR07dox41nyTyWTgcDig1WqprI4g+MtAoG+7kv4/1EQiwXMaYaioqMDNN98Mp9OJt99+Gzt37sRPf/pTNDU1ZReC9rPZbOjp6fneayQSCdjtdjDGaF5lGPWPrORyOeRyOd9xcoYoykoul8NsNkMikcDv9/MdRxAUCgV+/OMfIxqNgjGGSZMmoaSkBDqd7qiv8/v96OzsPOHruFwu7Nu3D+PHj4dUKh3p2HmBMQaXy4XGxkZoNBq+4+QMUZSVVCqFwWCARCJBIBBANBqFWq3mO1bOKywsPGqV+vFs27YNhw8fPuH/73K5sHnzZlRVVUGr1Q53xLzU/3fYaDTSZeARRFNWWq0WEokE4XCYymoY2Ww2aLVaFBcXZ+8YMsZgMBggk8lgMpnQ29t71BYz5PT4/X5wHAedTve9S/J8Jpqy0ul0kEgkiMfj9IMzjMrKyrBw4UIkEgm43W6sXr0asVgMl1xyCRobG5HJZGC1WmluZZhkMpnsPmIqlYo+1yOIpqzUanV2ZBWLxfiOJBoXXHABzjvvPCiVShw8eBCfffYZ/H4/5s+fj/nz5yMej4PjOPqhGiaJRCK7s4VWq4VCoeA5Ue4QTVn1z1mFQiHaumQYHVlCGo0GUqkUUqkUKpUKAOgyZZil0+nsTY+CggIqqyOIYp2VVCo96m5gOBzmO5IopdNpMMbAGKP1bCMkkUjA6/Vm5wVp7vXfRFFWAGAwGCCXyxEMBqmsiGDF43G43W4qq+MQTVnJ5XKo1WrE43GasyKClUqlEAqFAPTNWdHatX8TTVkBQFFREWKxGILBIN9RCBmSIyfYTSYTz2lyi2jKiuO4bFkFAgG+4xAyJPF4PHsuI02uH000ZQUAer0e8Xic7gYSwUokEtmyokvAo4mmrDiOg9FoRDKZpLIighWPxxEIBLJPCJB/E1VZmUwmJBIJKisiWMlkEqFQCIWFhbTQ9hiiKSug745gJpNBKpXiOwohQ5LJZJBMJsFxHG27cwzRlFX/yCoajWZv/RIiNP0T7IWFhXQZeAzRlBUAGI1GcBxHZUUEKxaLwev1wmw202XgMURTVv0jK7VaTc8HEsGKx+MIBoMwGo1UVscQVVlZLJZsWXk8Hr4jETJo/Q8x0+r17xNNWQF9zwcqlUrE43F6PpAIDmMMPp8PEokERUVFNGd1DNGUVf86K6VSiXA4nH1kgRCh6H+uVSKRQKfT0cjqGKIpK6BvvyWZTEYjKyJIsVgMkUgEUqkUer2eRlbHEE1ZcRyXfZ4qFotRWRHBCYVC8Pl8kEqlMJlMVFbHEE1ZAX3HS6nVakQiEboMJIITCATg8XgglUpRUlJCdwOPIaqyAgCVSgWJREJ7WhHBCYVC8Pv9R+18S/5NdJ9G/yk3tE0MEZpIJIJwOAyFQkFnMB6H6MrKaDRCIpHA6/XyHYWQQQmFQojFYjAajXQn8DhEV1Z6vR4SiYTmrIjg9JfVqU7JzleiK6uCggJ6PpAIUiwWQyKRgEajoR0XjkN0ZdX/MLPT6eQ7CiGDEo1GkUqlYDQa+Y6Sk0RXVoWFheA4Di6Xi+8ohAxKMBhEPB6H2WymkdVxiK6stFot5HI57bpABCcYDCISicBkMlFZHYfoyqqgoABqtRrJZJJWsRNBCYVCiMfjMBgMfEfJSaIrK71eD51Oh2QyCZ/PB8YY35EIGZBYLIZ0Og2DwUAjq+MQXVkplUooFAqk02mEQiFkMhm+IxEyINFolBaEnoToykqv10Or1SKRSMDj8VBZEUEIh8PZsqKR1fGJrqwKCwthMBiQSCTgcrmorIgg+Hw+RCIRqFSq7B1tcjTRlZXRaIROp0MikYDb7aayIoLg9XoRCoWgUqlgNpv5jpOTRFdWQN8dwWQySWVFBINGVqcmyrLqf1whEAhQWRFBCAQCiEajUCqVtHThBERZVgUFBSgoKKCRFRGMYDB41PYwNLL6PtGWlU6ng9PppLIiguB2u8EYo+cCT0KUZaVSqaBWq+kykAhG/w6her2e7yg5S5RlpVAooFKpEIvFaAU7EYREIgHGGG26dxKiLCudTge9Xg+73U4jKyIIDocje7gpOT5RlpVarYZarYbT6aSRFRGE/lNtaM7qxERZVgUFBTAYDAiFQrRjKBGE/mPjac7qxERZVhqNBoWFhUilUvD7/XzHIeSU+g83pTVWJybKslKpVNDr9WCMIRgMIp1O8x2JkBNKp9Pw+XxQKpUwmUx8x8lZoiyr/pEVYwwOh4MOPCU5izEGr9eLVCoFnU5HI6uTEGVZ6XQ6lJSUIJPJwG63IxqN8h2JkONijMHn8yGZTEKtVkOj0fAdKWeJsqxUKhV0Oh2AvscYUqkUz4kIOb5MJpP9O6rRaFBQUMB3pJwlyrICkP1DD4VCSCaTPKch5PgymQz8fj9SqRQKCgpol9CTEG1Z9a9X8Xg8SCQSPKch5PgymQxcLhcSiQS0Wi0tXTgJ0ZaVRCKBUqlEJBKhy0CSs9LpNGw2G6LRKIqKimhkdRKiLSulUony8nL09vbSkVwkZzHGEI1GkclkoFQq+Y6T00RbVnK5HBaLBX6/n5YukJyVyWTgdrvpTuAAiLqsDAYDgsEgTbCTnJVOp9Hd3Q2DwZC9g02OT9RlZTab4XK5aJ0VyVmZTAYejwcGg4Hmq05BtGXVP2fldruprEjOymQy8Pl8UCgUNGd1CqItK4lEArVajXQ6TWVFclb/otCCggKo1Wq+4+Q00ZaVTCbLnmxLdwNJruq/DFSr1VCpVHzHyWmiLiuTyQSpVIpgMEgLQ0lOCoVC8Pl8NGc1AKItK6lUCp1OB4lEkj3miJBc43a7kUgkUFJSQncDT0G0ZdV/N1AqlcLn89GOoSTnpFKp7BpApVIJuVzOc6LcJtqykslkKCoqgkwmQyAQoJEVyTnJZBI+ny97XiBNsJ+caMtKKpVmj5GPx+O0MJTknHQ6jXg8DsYYTCYTrWA/BdGWFdC3TYxEIkE0GkU8Huc7DiFH6V9WwxiDXq+nu4GnIOqyMplMUKvV8Pl8dHAEyTmxWAwOhwMAoNVqac7qFERdVgBQWlqKaDQKn8/HdxRCjpJIJLL/iNJBEacm+rJSKpVIJpO0zorknGQyiWAwSAtCB0jUZcVxHIxGI2KxGC1dIDknFoshEAigsrKSngscANGXFV0GklwVi8Xg9/uprAZI9GVlsVgQj8cRDAb5jkPIUWKxGLxeL4xGI2QyGd9xcp6oywroO5YrkUjQzgsk54RCIRw+fBgFBQVUVgMg6rLiOA5WqxUcx8HtdvMdh5CjJBIJhEIhmEwmWrYwAKIvK4vFArlcjnA4TKMrklOSySRCoRAKCwtpZDUAoi4rADAYDFAqlYjFYjRvRXJKJBJBLBaDTqeDVCrlO07OE3VZcRwHk8kElUqFcDgMr9fLdyRCAPz7VBuZTAa9Xk9lNQCiL6v+kVUkEqHlCyRneL1euFwuSKVSmM1mmrMaANGXVWVlJbRaLTweD7q7u/mORAiAvkvAYDAIqVQKg8FAI6sBEHVZAf/eKubI57AI4Zvf74fL5YJMJqNFoQMk+rICAKPRCI7jaM6K5AyfzweXywW5XI6ysjJwHMd3pJyXF2VVWloKqVSKzs5OvqMQAgCIRqOIRqN0XuAg5EVZ9d8apq2NSa4Ih8NIJpMoKiriO4pg5EVZ9V8GOp1OvqMQAgAIBoOIxWIwGo18RxGMvCgrrVYLjuNogp3kDLfbjWAwSPNVg5AXZWU0GqFQKBAIBJBOp/mOQwjcbjdCoRCV1SDkRVmVlpbCYDDA5/PB6/WCMcZ3JJLn+ues+qcoyKnlRVlptVpoNBokk0n4/X4qK8I7j8eTXbRMZTUweVFWFosFZrMZsVgMXV1ddClIeBUKhRCJRKBQKFBYWMh3HMHIi7IymUwwGo2Ix+Ow2+1UVoRXwWAQ0WgUarUaJpOJRlYDlBdlVVBQAJ1Oh0QiAY/Hg0wmw3ckkse8Xi/C4TDUajUsFgvfcQQjL8oK6NvXKplMwu12U1kRXtntdvj9fqjVapjNZhpZDVDelJVKpYJGo6GRFeGdw+GA3++HVqulpQuDkDdlZTQaYTab0dnZiVQqxXcckse8Xi/S6TS0Wi3fUQQlb8pKq9VCq9XSBDvhXW9vLyQSCc1XDVLelFX/JLvdbqfLQMKr3t5eyGQyFBcX8x1FUPKmrEwmEywWC7q6uugykPDK6/VCIpHAYDDwHUVQ8qas1Go19Ho9EokEIpEI33FIHguHw5DJZDRnNUh5VVZGoxGZTIZ2DCW8yWQy6O3thUKhQElJCd9xBCVvykqr1cJisYAxBrvdjlgsxnckkoeCwSACgQA0Gg1MJhPfcQQlb8pKr9ejrKwMmUwGPT09dDozGXX9ZwUmEgnodDqasxqkvCkrjUaD0tJSAH13Y6isyGhLp9NwOByIx+MwGAz0EPMg5U1ZAcgOux0OB10GklHXP7JKJpM0shqCvCormUwGhUIBn8+HeDzOdxySZzKZDPx+f/YyUK/X8x1JUPKqrBQKBcrKyuB2u+kykIy6dDqNzs5OcBxHR8YPQV6VlVqtRk1NDRwOBx3LRUZdKpVCV1cXbbo3RHlVVkqlElarFb29vVRWZNT1r/FTq9V0sOkQ5FVZKRQKWCwWdHd3U1mRUZdKpXDgwAEUFRXBbDbzHUdw8qqs5HJ59kl3WsVORls6nUZraytKS0vpJOYhyKuyUigUqKiogFwuh8PhQCgU4jsSySOBQAB+vx9msxk6nY7vOIKTd2VVVlYGuVwOl8sFn8/HdySSRzweDxhj0Ov1UKlUfMcRHBnfAUaTXC6H2WyGVCqF3+/P+5FVJpNBIpFALBYDYwwSiQRKpRJKpZK22h1m8Xg8O/VgMBiorIYgr0ZWUqkUZrMZEokEHo8HwWCQ70i86u7uxlNPPYUZM2agqqoKZ599Nl544QU4nU6+o4lOMBhEa2srMpkMrFYrLV0YgrwaWQF9j9wUFRXB7Xbn9Q9lKBTCY489htbWVjz44IMoLy9HZ2cn3nrrLXR2dmLZsmXQaDR8xxSNeDwOt9sNxhgsFgvtZTUEeVdWCoUCxcXFCIfDeXtHkDGG9evXw+l0YubMmbjuuusgl8uzJ1YfOHAA77//Pq644gq+o4pGOByGzWbLLp+hy+zBy6vLwH7l5eUIh8Nwu918R+EFYwx///vfMWnSJPz0pz/NPvahUqlwww03YNy4cVi9ejXPKcUlHA6ju7sbhYWFMBqNfMcRpLwrK47jUFtbC5/Ph97eXr7j8Gb79u0wm80oKys76tetVivMZjOam5t5SiZO8Xg8u2xBKpXyHUeQ8rKsLBYLEolEXk+wh8PhE57yI5FI6FCNYRaNRuHxeGCxWKBQKPiOI0h5WVZFRUWQyWR5vXRBLpdDJsu7KUveBAIBHD58GGPGjKFlC0OUl2VVWVkJrVYLj8eTt3cE6+vrEQgEvlfYgUAAwWAQEyZM4CmZOAWDQUQiEZSUlNDIaojyrqwAoKKiAjqdDh6PB52dnXzHGXUcx+Hyyy/HwYMHsXbt2qP+v7feegvt7e247LLLeEonPplMBh6PB1KpFKWlpVRWQ5R3ZcVxHIqLi6HRaBAIBOBwOPiONOo4jsOSJUvg9XqxatUqNDc3w+v14uuvv8bq1asRDAaxaNEivmOKhtPpRHd3NxQKBerq6ugycIjybtKif4LdaDTCbrfn7WWg2WzGI488gtdeew1XXXUVHA4HysrKcO211+Kaa66ho82Hkc/ng8vlyh4ZT3OFQ5O3n1r/gaf5vHxh3LhxuPHGGzF37lzEYjGo1WrU1dV9bzkDOT2BQAButxsSiQQlJSW0nfEQ5W1ZFRYWguM42O12vqPwRiqVwmq1wmq18h1F1Px+P4LBIIxGo6CeCQwEAmhra0NhYSGqqqogkfA7a5S3ZVVSUgKZTIaenh6+oxCRCwQCSCQSKC8vF9R8VW9vL1auXAmlUomGhgZUV1ejsLAQGo0Ger0eBoNhVEeJeVtWVVVVUKlUsNlsfEcRjCOfZ6Nn2wbO7/cjHo+jqqpKUJ9bIBDAxo0bsXPnTgB9mwA0NDRg/PjxmDx5MqZNm4a6ujoYDAZIJBLIZDJIpdIR+z3mbVkVFRVBKpXC4/HwHUUw5HI5JBIJJBIJzbsMgsPhgMfjwaxZswT1ucnl8uyfef9hF1u2bEFzczPWrFkDACgtLcWkSZMwY8YMzJo1C1OmTMkeJjzcZMuXLx+RF85lUqkUe/fuhc/nQzgcxqOPPgq1Ws13rJzFcRwymQwOHTqEHTt2IBqN4tlnn8XWrVshl8vBGOM7Ys5Sq9XYsGEDXC4X9u3bh8ceewxyufyEjzrlCoVCgba2NrhcruyvMcaQSqWOehSrra0Nvb292Lp1K9asWQO9Xo/q6mrU1tairKwMDQ0NqK+vH5YbC1x9fX3e/U3jOA7hcBgulwvJZBJWq1VQ/+KNNo7jkEwms7fgAUCr1aKoqAhqtZrK6iRkMhlsNhsCgQCKioqyN3Zy/TOTSCSIRqNwOp0Ih8ODzltQUICxY8figgsuwMyZM3Huueeiurr6tDLJGhsbT+sFhCqVSmH37t1ob29HUVERKioqIJPJcv4vER8kEgkCgQBaW1uzZaXT6VBTU4OSkpKcHyXwKZVKwev1IpVKobGxEUajURDzVjKZDC6XC4FAYEDH1imVShQWFsJgMECtVkOv16OioiK7Xi+ZTJ5+KJbHHnroIabVatkrr7zCMpkM33Fyms/nY08//TSTy+UMALvpppvY/v37+Y6V8/x+P5s/fz6bPHkya2tr4zvOoOzatYtNmzaNSSQSBiD7P4lEwuRyOVOr1Uyj0bCysjI2Z84ctnTpUvbPf/6THTx4kKVSqWHPk7cT7EDfxv2JRAIdHR0Ih8O01exJGAwG/OhHP8KKFSvg9Xrxox/9COPGjeM7Vs7bt28f7HY79Ho9qqqq+I4zKPF4HOl0+nsj57KyMpx99tmYOnUqmpqaMHHiRBiNRkil0uwdwZFYk5XXZVVQUACNRoPe3l7av2kAVCoVNBoNEokE7c8+QL29vYjFYoJ8zEYqlaKsrAwlJSWYMGECGhsbYbVaYTQaYTQaodfrYTQaR23tmLA+vWFWUFAAnU6H3t5epNNpvuPkvP5/YfvvDpJTs9lsYIwJ8gTmiooK3HbbbdBoNKisrER1dTWUSiVvefK6rHQ6HQwGA2w2G5UVGRFdXV2QSCSCezCc/f8pPJdeeinfUbLybouYIxkMBphMJnR3d9NlIBkRXV1d2Z0+hCQX71jmdVkVFRWhsrISvb29A7o9S8hgHTp0CKlUSpCXgbkmr8vKYDCgvLwcqVQK7e3tw7MWhJD/13+wqV6vR3l5Od9xBC+vy6p/6wvGGA4fPkyjKzJsMpkMHA4HwuEwTCYTSkpK+I4keHk9wW40GmG1WsEYg81mQzgcpgMoybBIp9Po7OxEPB6HyWSC2WzmO9KIczqdiEaj0Ol00Gq1iMfjiMVikMvl0Gg0p/1IW16XFQBYLBbIZLLswlBChkP/1EI0Gs2LsgqHw9i6dStsNhvMZjOqqqqQyWTQ2dmJZDKJqVOnYvz48af1Hnl9GQj0LV+oqqqCzWbL60NPyfBKp9Po6OhAPB6H2WwW9a4ePT09eP/99zFt2jTccMMNaGlpwb333gubzYZMJoPly5dj/fr1p/0+eT+yUqlUqKiooDuCZFglk0l899130Gq1glu2MFiMMchkMhgMBgCA3W6H1+vFhRdeCJ/Ph4cffhi1tbWn/T5UVioVampqsGHDhrw+oZkMr2Qyie3bt8NsNot+2YLBYMCUKVOgUCgQjUaRTCZRW1sLg8EAvV4Pq9U6LOu28v4yUKVSoba29qi9mgg5XeFwGAcPHkRxcbHo56sKCgqye1Vt27YNUqkUkydPBoDs3l3D8XhW3peVUqlEdXU1GGPo6OigeSty2hhj6OnpQSKRQEVFhajvMGcyGSSTSSQSCQDAnj17IJFIMGnSJAB9n4XD4RiWnysqq/8vK4VCgZ6eHhpdkdMWjUbR09MDxhisVqugjt8aLKfTiY0bN+LVV18FAGzfvh3RaBQNDQ0A+rY9ttlsiEajp/1eNGelUqG+vh4qlQrt7e3o7u4elslAkr/i8Tg8Hg8ymQxqampEXVadnZ344osv0NPTg+LiYlRVVcHj8eCLL75AKBRCT08PzjrrrGF5kDvvywpAdm9st9tNIyty2sLhMDo7OwH0Hfmm1+t5TjRySkpKcP7558Pn82V3aeg/ekyj0aCurg4lJSXDshkflRX69hivqqqC3W6H0+nkOw4ROL/fj4MHD0Kj0Qhua5jBYIyhqqrqhDugJhIJKBSKYXu/vJ+zAvruWIwdOxYejyf7LyIhQ+X3+9He3g6r1YqCggK+44yYUy1HGM6iAqisAPR96DU1NYjFYrDb7XzHIQIXDofR29vL+86aYkNlhb6ymjBhArRaLVwuFy1fOAGdTpc9EIAO1zixYDAIh8OBiooKKqthRHNW6Curqqoq6HQ6eDwe2Gw21NfX8x0rJ3R3d6OlpQVOpxNtbW04dOgQwuEwXnrpJbS1taGqqgrjx49HRUUF31FzwpG7LTQ0NNDBGsOIygp9ZVVRUZEtq46Ojrwuq3g8DpvNhvb2dnz00UfYvHkzuru7EYvF0NXVhXQ6jTfeeAOffvop6urqMH36dJxxxhkYN24camtrRf94ycnYbDa0tbVBLpfjjDPOoLIaRlRW+HdZFRUVYffu3WhtbeU7Em9CoRA2b96MVatW4f3334fX64VarUZdXR2qq6sRiUQAANOmTYNUKkVzczM++eQTJJNJnHnmmbjuuutwzTXXwGKxDPsEqxA4nU7YbDYolUrU1taO2jFV+YDmrI4wfvx4pNNpNDc38x2FF3a7Hffffz/+4z/+AytXrsSYMWOwYsUKfPPNN/jss8/w5JNPYsKECSgrK8PNN9+Md955B83NzVi3bh3uvPNOBAIB3Hfffbjooovw+uuvZx/ByCculwsOhwNqtRrl5eU5efCCUNHI6gg1NTVQqVQ4fPgw31FGVSQSwcqVK/Haa69h+/btOPPMM3HDDTdgxowZqKury06mGwyG7AR7/y35iooKmM1mnHHGGbjyyivx5ptvYtWqVbj//vuxdetW3Hrrrae96ZqQdHR0wOl0YuzYsTS5PsyorI5QXl6evSOYTqchlUr5jjTi2tra8Le//Q2vvfYa4vE4FixYgGuuuQYXXnjh937YkskkGGNgjB11dJlKpUJlZSUqKytRU1ODmpoarFixAn/729/Q29uL22+/Heedd95o/9Z40dHRAa/Xizlz5ozIEer5jMrqCJWVlbBYLDhw4ADa29tRW1sr6r9wra2teO655/D888+jvLwct9xyC37yk5/AarUO+TWrq6tx7733wmq14rnnnsO7776LcDgMrVaLKVOmDGP63NTb24tkMonx48fTJeAwE+9P4hDU1dWhtrYWgUAAzc3Nop5z6e7uxiOPPILly5djzJgxePHFF7F06dLTKqojLVy4EK+//jquvvpqfPTRR7jnnnvQ1tYm6pOvPR4PXC4XNBoNHb01AqisjlBcXAyr1YpIJIL9+/eL9hzBRCKBhx56CGvWrMGcOXPw6quvYtasWcM+ErBYLFi2bBnuvPNOfPnll/jJT36CAwcODOt75JKWlhb09PTAaG7Yqw0AABCUSURBVDSitraWRlbDjMrqGGazGVqtFp2dnaIaBTDGAPTttbRs2TKsWrUKl1xyCR555BFMnToVMtnIzAhUVFTgF7/4BR544AE0Nzfjrrvuwpdffjki78W3ffv2wel0oqKiAlOmTBH1FAIf6NM8RlFREUpKStDW1nbUJLLQcRyHQCCAV155BX/9618xbdo03HTTTaMy8V1XV4ef//znuOmmm7Blyxb88Y9/xGeffTbi7zva+o+Kr6ysHLHyz2f0iR6jrKwMtbW12LNnj6jmrFKpFN5++2088cQTkMvl+PWvf405c+aM2vtXV1dj6dKl8Pl8eOeddxCLxaBWqzFjxoxRyzDS2tvbIZfL6dGjEUJldYyysjKMGzcOGzZsgNvtFs1E6bp16/CXv/wFvb29+O///m9cfPHFo7662mKxYPny5chkMli5ciXC4TDWr18vis3pMpkMDh48CJlMhsrKSr7jiBJdBh6jsLAQ1dXVSCaT+PLLL+HxePiOdNreffddPProozh06BBuv/123Hbbbbzts2QymXDXXXfhyiuvxFdffYU//elP8Pl8vGQZLul0Gvv27UN3dzesVmv2sAQyvKisjmEymdDQ0AClUon29nZBbxeTTqexY8cO/O///i8OHz6Mq6++Gvfccw/vK6unT5+OJUuWYOLEiXj++eexfv16QZ/Z2H9UfCgUQllZGY2sRgiV1XGUlpaivLxc8Edz9fT04IknnsC3336Lyy+/HLfffnvO7IgwZ84c3H777YhEInjmmWewadMmviMNWSqVQmtrKyKRCJXVCKKyOo6CggKMGzcOhw8fRiAQ4DvOkPh8Pqxbtw4rVqzArFmzcNttt+XMM3qMMej1eixatAiLFy/GV199hZUrV6KlpYXvaEOSTCbR0tKCgoICWK1WWrIwQuhTPQ61Wo1x48ahs7MTXq+X7zhD8vHHH+Pxxx+HXq/Hww8/nD0hNxf0L5bU6XRYtmwZmpqa8Pbbb+PFF18clpN7R1s8Hsfu3bsxduzYYXsCgHwfldVx9B8p39PTg5aWFsGtZN+xYwf+/ve/w26346GHHsLUqVNz8qFsjuNQVlaG3/72t6itrcXq1avxwgsv8B1r0AKBALZu3Qqz2Sz6o+L5RGV1HAUFBZg8eTIkEgkOHz4sqEMkEokEXn31VWzYsAFTpkzBkiVLcvr4co7jcPHFF+Oaa64Bx3F49tlnsW3bNsE8PdC/jXE4HEZDQwPKysr4jiRaVFbHoVKpMGnSJFgsFnR0dAjqeK5XX30Vb775JsrLy3HPPfegtLSU70inJJVKcd1112HBggXYs2cPli9fLph/IPx+P1paWsAYw5QpU0SzLi8XUVmdQHFxMcaMGYOOjg5BbHPMGMPevXvxxBNPIBaL4brrrsOVV17Jd6wBYYyhsrIS119/PWbNmoWVK1figw8+EMRyBo/Hgz179kCv12PcuHF5uZXzaKGyOoFMJoP6+nrYbDZB3KXq6urCY489hpaWFixevBhLlizhO9KA9U+4T506FcuWLYNWq8Xjjz8uiOcHnU4n9uzZg8bGxpy+3BYDKqsTkEgkqK+vRyKRQEdHB99xTsrv92PDhg1YvXo1Zs+ejYULFwpyrY9UKsXkyZNxxx13oLW1Ff/4xz9w8OBBvmOdlN1ux549e3D22WdDp9PxHUfUqKxOgOM4nHvuuSguLkZHR0dOj662b9+Op59+GjKZDHfccQemTZvGd6QhM5vNuO222zBx4kS89dZbWLVqFd+RTiiVSqGtrQ3BYJDKahRQWZ2ARCLB5MmTUVNTg66urpzdg6mrqwtr1qzB3r17sXjxYpx33nm8P05zuqqqqnDrrbdCo9HgzTffxBdffMF3pOM6cOAAdu7cCZVKhalTp/L2vGW+oLI6CbVajYkTJyIajebsD8yqVavwzjvvYOzYsbjttttEM29y7bXXYv78+ejq6sJTTz2Vk4tzd+3ahT179qCmpgZVVVW0M+gIo7I6henTp8NsNmPnzp05tbqaMYavv/4a//jHPxCJRHD11Vdj8uTJObn4cyjUajUWLVqE6dOnY/369Vi3bl3OPfq0d+9eOBwOnHPOObTZ3iigsjqFSZMmoaamBna7HS0tLTm1WPGpp57Cvn37sHDhQtx///18xxl2P/jBD/Czn/0MMpkMS5cuzanJ9nQ6jdbWVmQyGZxzzjk0qhoFVFanMHHiREyYMAF+vx9bt27Nid1Dw+EwXnnlFaxfvx7nnnsurrnmGtEeUz537lw8+OCD6Orqwh//+Efs3buX70gA+i4B29raYDab0dTURA8vjwL6hE9BLpdj/Pjx0Ov1+Pjjj3OirA4dOoRnnnkGjDFcfvnloj5AtLi4GFdeeSVmzpyJ9957D+vXr0csFuM7VvYSsKSkBPX19TSyGgVUVgNQV1eH8ePH4/PPP+d9V0u73Y61a9di69atuPTSSzF37lzRz5dUV1fj7rvvhlwuxz//+U9s3LiR70j49ttvEQ6HYbVaqahGCZXVAFitVpxxxhk4ePAg7wd1btiwAU888QRKS0vxy1/+Mmf2qBpJCoUCCxcuxLx58/DNN9/g5Zdf5vXuYCqVwueffw6JRIKGhgbecuQbKqsBMJvNGDduHBhj+Oabb+ByuXjJ8eWXX2LVqlWIx+P4r//6L9TX1/OSgy9Lly7FBRdcgH/961946qmneMmQTCaxZcsWdHZ2YsyYMTjzzDN5yZGPqKwGwGg0YvLkySgoKMCWLVvgcDhGPYPf78crr7yCb775BnPmzMHChQtFcSrMYDQ0NGDx4sUoLy/HqlWrsHfv3lFfThKLxfDRRx/B5XJhxowZmDlz5qi+fz6jshqgyspKnHPOOfjmm2/Q1dU16u//0ksvYe3ataitrcUvf/lLWCyWUc+QCy6//HLMnz8fra2tePrpp0d9lBuLxfDhhx9Cr9ejsbERGo1mVN8/n1FZDZDRaMSCBQvQ09ODnTt3jtodKcYY9u/fj2effRYAsGTJklE9nDTXWCwWLFiwADNmzMArr7yCTz/9dFTv0La1teHbb7/FtGnT8mK+MJdQWQ2Q0WjEvHnzUFRUhI8//hhfffXVqLxvb28vnnvuOXR0dODnP/85rr322lF531x21lln4eGHHwbHcaN6Mo7NZsMHH3wAv9+PefPmYcKECaPyvqQPldUAcRyHqqoqNDU1Yf/+/di6deuIv2ckEsEnn3yCF154AWeddRYuvvjinDlKi09KpRIzZszAf/7nf2Lz5s1YvXo1Dh06NOLv29PTg88//xxGoxFNTU203/ooo7IaBLlcjiuuuALpdBrNzc0j/qzapk2b8Nhjj4HjOPzqV7/C9OnTR/T9hKS4uBgPPvgg6uvrsXr1avz1r38d8ffs7OxEc3MzzjnnHEFsFy02VFaDwHEc5s2bh8rKSuzZs2dEd2L47rvv8NJLL2HXrl245ZZb8MMf/pAmc4/AcRzq6+tx7733oqioCCtWrMCLL744Yu/ncDiwefNmBAIBXHbZZTCZTCP2XuT4qKwGgeM4lJaW4qyzzoLL5cLatWtH5H3i8ThefvllfPjhh2hqasJdd91FPxwncP311+NnP/sZIpEI/vCHP2DXrl1gjA37+3z++ef48MMPUVlZiR/+8IcwGAzD/h7k5KishmD27Nkwm8344IMP0NXVNaw/HIlEAm+88QbeeustlJeX41e/+hUdnHkSHMfh+uuvx3XXXYf29nY8+uijI7IN9SeffIIDBw7goosuQl1dHT1iwwMqqyG46KKLMHfuXHR1deHpp59GMBgclteNxWLYsGEDHnjgATDGcMstt+CKK64YltcWs5qaGixZsgTz5s3DG2+8gbVr18Ltdg/b63/66afYtGkTxowZg7vuuouKiidUVkOg1+sxZ84cNDY2YtWqVWhvbx+W1/3uu++wdOlSpNNp3HnnnVi8ePGwvG4+mD59On7961+jsrISjz32GN57771he+0XX3wRTqcTF110ERobG6mseEJlNUTnnnsurrrqKnR1dWHdunWn/QjOjh078Oc//xk7duzAzTffjKuuuirvHqc5HRKJBDNnzsRvfvMbuN1u/OUvf8H7779/Wq+ZyWTw1VdfYePGjaitrcUll1wyTGnJUFBZDZHFYsGPf/xjNDQ0YM2aNWhubh7yax06dAjPP/881qxZg4svvhg333wz3RofAoVCgV/84hdYtGgRduzYgT/96U/Ytm3bkOcU7XY7nnnmGUQiEcyZMwdnn332MCcmg0FldRqsVituueUWtLS04O2338aBAwcG/RrRaBSPP/44Xn75ZTQ2NuLxxx9HcXHxCKTNDwqFAr/97W9x2WWX4dNPP8Xdd9+Ntra2QT/wHA6HsWnTJrz++utoamrCRRddREtH+MbIaXE6neyss85iSqWSPfzww4P+/rvvvptpNBo2c+ZM9sknn7B0Oj0CKYdHR0cHmz17Nps6dSp77733+I5zUi0tLezWW29lANgll1zC2traBvX9//rXv5jVamVqtZqtW7eOpVKpEUpKBorK6jRlMhm2fv16Vl9fz8xmM/vd7343oO9zuVzs1ltvZQqFgk2fPp299tprOV1UjAmrrBhjbOfOneyuu+5iMpmMnXPOOWz16tUsHo+f8vs2btzIzj//fAaAPfjgg6y3t3cU0pJTkT7yyCOP8Dy4EzSO4zBmzBhIpVLs2rULGzduRCQSQWlp6XG3cXG73fjkk0/w3HPPYeXKlZg2bRruuOMOXHrppVCr1Tz8DgYuEAjgrbfeQjwex9y5czF27Fi+I51USUkJqqurEQ6H8dFHH2H37t3w+XzQ6/XHnROMx+NYu3Ytfv/732PXrl1YsGAB7r33XlRWVtIdwBwg7s27R4lUKsX1118Pxhj+8Ic/4H/+53/gcDgwb948VFdXQ6FQIJ1Ow+fzYdOmTXj77bexd+9eNDU14YEHHsCFF14IuVwOxhj9UAyzhoYGLFu2DIWFhVizZg2WL1+OXbt2YdGiRaioqIBarQZjDD6fD9999x3+/Oc/w2az4dJLL8VvfvObnC/kvMLzyE5UYrEYW79+PZs8eTKTy+VMoVCwsWPHsgsvvJCdf/75zGQyMY7jWGlpKbvxxhvZ4cOH+Y48KEK7DDzWihUrWFNTE+M4jgFg9fX1bPbs2aypqYkVFxczAEyr1bL77ruPHTp0iO+45Bg0shpGSqUS8+bNQ1NTE15//XVs3LgRu3fvxs6dO2EwGDBz5kzMnj0bs2fPxsSJE6FUKvmOnFcWL16MH/zgB9iyZQs+/fRTbNu2DQcOHEA6ncaYMWNw8803Y/78+aivr4dWq+U7LjkGldUwk0qlKCoqwqJFizB37lz4/X7E43HI5XIYDAYUFRXBZDKJ5ph3IZFIJKiqqkJhYSGamprg8XgQiUTAGINWq0VxcTGKi4vpzyZHUVmNEJPJRDsl5CitVgutVksPiAsMLQolhAgClRUhRBCorAghgkBlRQgRBCorQoggUFkRQgSByooQIghUVoQQQaCyIoQIApUVIUQQqKwIIYJAZUUIEQQqK0KIIFBZEUIEgcqKECIIVFaEEEGgsiKECAKVFSFEEKisCCGCQGVFCBEEKitCiCBQWRFCBIHKihAiCFRWhBBBoLIihAgClRUhRBCorAghgkBlRQgRBCorQoggUFkRQgTh/wBRkQzEU6/2KQAAAABJRU5ErkJggg==)
A \(a>0,b<0,c<0\)
B \(a>0,b>0,c<0\)
C \(a<0,b>0,c<0\)
D \(a>0,b<0,c>0\)
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi thử THPT QG môn Toán trường THPT Chuyên Trần Phú - Hải Phòng - lần 1 - năm 2018 (có lời giải chi tiết)