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PLEASE HELP ASAP?!!

What are the zeros of the quadratic function y = x² - 2x - 15?
x=-2, x=15
x=1, x=-16
x=3, x=-5
Ox=-3, x=5

PLEASE HELP ASAP?!! What are the zeros of the quadratic function y = x² - 2x - 15? x-example-1
User Chupvl
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1 Answer

3 votes

Answer:

D)
x=-3,\,x=5

Explanation:


y=x^2-2x-15\\0=x^2-2x-15\\0=x^2-5x+3x-15\\0=x(x-5)+3(x-5)\\0=(x+3)(x-5)\\x=-3,\,x=5

User Salomon BRYS
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