Quadratic Functions 1

Which answer choice describes  y = -3x² +7x - 2 accurately?

• opens up with a maximum
• opens up with a minimum
• opens down with a maximum
• opens down with a minimum 

Tags

CCSS.HSF-IF.C.7A

A parabola has a vertex at (-3,2). Where is the axis of symmetry?

• y = -2
• x = 3
• x = -3
• y = 2

What is the vertex of y=x²+4x+3?

• (2,1)
• (-2,1)
• (0,0)
• (-2,-1)

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What piece of information does c identify in the following equation?
y=ax²+bx+c

• Zeroes
• Axis of Symmetry
• Direction
• y-intercept

What is the axis of symmetry for the following equation?
y=4x²-8x+9

• x=-8
• x=1
• x=-1
• x=2

Tags

CCSS.HSA.REI.B.4

Find the y-intercept of
f(x) = 2x²-2x + 1

• 2
• -2
• 1
• -1

Tags

CCSS.HSA.REI.B.4

What is the range?

• y≥-3
• y≥-1
• All real numbers
• y≤-1

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the domain?

• -4<x<-2
• All Real Numbers
• -6<x<0
• y≥-1

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the constant that should be added to the expression to complete the square: x²+16x

• 16
• 8
• 64
• 32

Tags

CCSS.HSA-REI.B.4B

Evaluate f(-3) when f(x)=x²-2x+1

• 16
• -23
• -1

Tags

CCSS.HSF.IF.A.2