Question

1. Which of the following equations represent a quadratic function?
a. f(x)= 2x² -3x + 7
b. f(x)=5x³ + 3x² — 2x + 1
c. f(x)= x-2
d. 3x² -2x +1 = 0

2. Which of the following table of values represents a quadratic function?
x 0 1 2 3 4
a. y 1 2 4 3 16

x 0 1 2 3 4
b. y 5 7 9 11 13

x 0 1 2 3 4
c. y 0 1 1.41 1.73 2

x 0 1 2 3 4
d. y 0 1 4 9 16

3. Which of the following graphs represents a quadratic function?


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Answer 1

Answer:

1. d

2. ??

3. d (not sure)

hope this is helpful ☺️