find all the points where y - 4x=12 intersects 2 - y=2(x+2)2

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09-04-2018
Mathematics

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find all the points where y - 4x=12 intersects 2 - y=2(x+2)2

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popalabdulqayou popalabdulqayou · Answer 1 · 2018-04-09T21:27:19+02:00

popalabdulqayou popalabdulqayou

09-04-2018

y=4x+12
y=-2(x+2)2+2=>y=-4x-4+2=-4x-2=>
y=-4x+2
Use the elimination property:
2y=14
y=7
Put y value back to the first equation: 7=4x+12, solve for x and -5=4xso x=-5/4
(-5/4,7)

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