yoyotktkyjskan yoyotktkyjskan

20-07-2017
Mathematics

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which represents the solution(s) of the system of equations, y=x^2-2x-15 and y=8x-40? determine the solution set algebraically

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Grumpy1 Grumpy1

24-07-2017

y=x^2-2x-15 (1) y=8x-40 (2)

8x-40=x^2-2x-15
X^2+10x-25=0
(x-5)^2
×=5 y=0

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