Asked by Stuck

Which function is a quadratic function?
A. y= 1/x
B. y= y=5x - 7
C. y= -2x^2+2x ****
D. y= |x|
Answered by Leo Galleguillos
A quadratic function always has a variable squared (such as x^2 in your choice).

Therefore I agree with your answer.
Answered by Stuck
Okay thank you
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