1. Which of the following equations represents a quadratic function? A. y = 3 + 2x²
B. 2y² + 3 = x
C. y = 3x - 2²
2. Which of the following equations is NOT a quadratic function?
A. y = 15x - 10x + 2
B.y = 25x² +9
C. y= 4x²
3. What is the degree of a quadratic function y = 8x² - 3?
A 1
B. 2
C. 3
4. What is f(x) = -3(x + 2)² + 2 when written in the form f(x) = ax²+bx+c?
A f(x) = -3x² + 12x - 10
B. f(x) = 3x² – 12x + 10
C. f(x) = -3x² - 12x - 10
5. The graph of y = x² - 3 is obtained by sliding the graph of y = x²
A. 3 units downward
B. 3 units upward
C. 3 units to the left
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