28. Which of the following equations represents a quadratic function?
A. y = 3-7
B. 5x + 12 = 3
C. y - 10-1
D. 2m? = 1-7
A. y = 3-7
B. 5x + 12 = 3
C. y - 10-1
D. 2m? = 1-7
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Answer:
D. y = 10 - x²
Step-by-step explanation:
A quadratic function is [well] a quadratic with ² as it's highest degree but the constant in the rightmost part of most quadratic equation is moved to the far-left.
y = 10 - x² is a quadratic function because: