For the system y=x^2-2x-6 & y=4x+10 the answer is A. (-2,2) y=-2^2-2(-2)-6 y=4+4-6 y=8-6 y=2 y=4x+10 y=4 (-2)+10 y=-8+10 y=2
For the system y=x^2-4 & y=-4 the answer is A.(0,-4) y=0^2-4 y=-& For the system
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i really dont know
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The answer is the third choice
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