SOLUTION: Find the x-intercepts. Express your answer as an ordered pair.
y = x^2 – 7x – 10
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Question 89494: Find the x-intercepts. Express your answer as an ordered pair.
y = x^2 – 7x – 10
Answer by checkley75(3666) (Show Source): You can put this solution on YOUR website!
setting y=0 we get:
x^2-7x-10=0 now using the quadratic equation we get:
x=(7+-sqrt[-7^2-4*1*-10])/2*1
x=(7+-sqrt49+40])/2
x=(7+-sqrt89)/2
x=(7+-9.4)/2
x=(7+9.4)/2
x=16.4/2
x=8.2 answer. or the point (8.2,0)
x=(7-9.4)/2
x=-2.4/2
x=-1.2 answer. or the point (-1.2,0)
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