Question

Solve x 2 + 8x + 7 = 0 {-1, -7} {1, 7} {}

Answer 1

The answer for the equation is {-1,-7}

Explanation:

This is found by using the quadratic equation.

Answer 2

Explanation:

The y value has to be 0, so neither of those 2 answers look correct.

factor the quadratic

x^2 + 8x +7 = 0

(x + 7)(x + 1) = 0

x + 7 = 0

x = - 7

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x + 1 = 0

x = - 1

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The two points that solve this equation are

(-1,0)

(-7,0)