SOLUTION: Which of these is a quadratic expression and why? h=10t-4.9t^2 y=2square root x A=2pi r^2

SOLUTION: Which of these is a quadratic expression and why? h=10t-4.9t^2 y=2square root x A=2pi r^2

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Question 1144921: Which of these is a quadratic expression and why?
h=10t-4.9t^2
y=2square root x
A=2pi r^2
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Which of these is a quadratic expression and why?
h=10t-4.9t^2
y=2square root x
A=2pi r^2
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The ones that have a term to the 2nd power.

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