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ohaa [14]
2 years ago
10

What are the x-intercept of the quadratic function y- x^2 +2x - 35?a. -1b. 7 and -5c. -7 and 5d. -32 and 2

Mathematics
1 answer:
Darina [25.2K]2 years ago
4 0
<span>y = x^2 +2x - 35</span>
x-intercept y=0
0 = <span>x^2 +2x - 35
</span>0 = <span>x^2 -5x + 7x - 35  //factoring with leading coefficient
</span>0 = x(x-5) + 7(x-5)
0 = (x+7)(x-5)
x=-7 or x=5
answer: C. -7 and 5

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