Introduction to Quadratic Functions

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

• true

• false

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

Tags

CCSS.HSA.CED.A.1

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

• 2
• 1
• 16
• 64

Tags

CCSS.HSA.SSE.A.1

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

• 2
• 1
• 16
• 64

Tags

CCSS.HSA.SSE.A.1

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

• 2
• 1
• 16
• 64

Tags

CCSS.HSA.SSE.A.1

CCSS.HSA.APR.A.1

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

• 2
• 4
• -4
• -2

Tags

CCSS.HSA.REI.B.4

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

• 2
• 4
• -4
• -2

Tags

CCSS.HSA.SSE.A.1

CCSS.HSA.REI.B.4

Identify c of the following quadratic function:
y = −x ² + 18x − 75

• 18
• 75
• -75
• -1

Tags

CCSS.HSA.SSE.A.1

Identify a of the following quadratic function:
y = −x ² + 18x − 75

• 18
• 1
• -75
• -1