SOLUTION: Create a quadratic function with x-intercepts at (6,0) and (-3,0)

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Question 1180128: Create a quadratic function with x-intercepts at (6,0) and (-3,0)
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!


Create a quadratic function with x-intercepts at
(6,0) =(x%5B1%5D,y%5B1%5D)
and
(-3,0)=(x%5B2%5D,y%5B2%5D)
use product of root rule
y=%28x-x%5B1%5D%29%28x-x%5B2%5D%29............substitute given values
y=%28x-6%29%28x-%28-3%29%29
y=%28x-6%29%28x%2B3%29
y=x%5E2-3x-18

+graph%28+600%2C+600%2C+-10%2C+10%2C+-25%2C+10%2C+x%5E2-3x-18%29+