Introduction to Quadratic Functions

Find the y-intercept y = x² - 6x + 5

• (0, 8)

• (0, - 6)

• (5, 0)

• (0, 5)

Tags

CCSS.HSF-IF.C.7A

f(x) = 3x² - 4 is a quadratic function

• true

• false

Identify b of the following quadratic function:
y = x ² + 16x + 64

• 2

• 1

• 16

• 64

Identify c of the following quadratic function:
y = x ² + 16x + 64

• 2

• 1

• 16

• 64

Which of the following graph represents quadratic function?

• A

• B

• C

• D

Tags

CCSS.HSF-IF.C.7A

Identify b of the following quadratic function:
 y = 2x ² − 4x − 2

• 2

• 4

• -4

• -2

Which of the following is NOT a quadratic function

• f(x) = -3x²

• f(x) = -5x - 3x²

• f(x) = 3x - 4x² + 5

• f(x) = 3x + 5

The standard form of a quadratic equation is

• y=x²

• y=ax²+bx+c

• y=mx+b

• y=x

Identify a of the following quadratic function:
 y = 2x ² − 4x − 2

• 2

• 4

• -4

• -2

Identify a of the following quadratic function:
y = x ²

• 1

• -1

• 0

• 2