What is the equation if the zeros of the quadratic function are -4 and 5?
a.y=x² + x −20
b.y=x² - x −20
c.y=x² + x + 20
d.y=x² - x + 20
a.y=x² + x −20
b.y=x² - x −20
c.y=x² + x + 20
d.y=x² - x + 20
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Answer:
x²-x-20=0 letter B
Step-by-step explanation:
(-4,5)
x= -4 x=5
x+4=-4+4 x-5=5-5
x+4=0 x-5=0
(x+4)(x-5)=0
x²-5x+4x-20=0
x²-x-20=0
YA ALL IT HELPS:)