Question

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Answer 1

X² + 5x - 14 = 0
(x-2)(x+7) = 0
x - 2 = 0
x + 7 = 0

x = 2
x = -7
Your answer is B.

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Next question.

2x² - 4x - 6 = 0

a = 2
b = -4
c = -6
And is D.

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Next question

If the discriminant is positive, then there will be 2 solutions.
Your answer is C.

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Next question

Plugging in the equation into the quadratic formula should get you answer choice A.