Mathematics: 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

What are the x-intercept of the quadratic function

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expeditionofsin

31.12.2021

y = x^2 +2x - 35
x-intercept y=0
0 = x^2 +2x - 35
0 = x^2 -5x + 7x - 35 //factoring with leading coefficient
0 = x(x-5) + 7(x-5)
0 = (x+7)(x-5)
x=-7 or x=5
C. -7 and 5

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Ответ:

livdance

12.05.2023

Mathematics

.03 is 1/10 of 0.3 and 3.0 is 10 time greater than 0.3

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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

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