Quadratic Functions

Which is these equations is a quadratic function?

• f(x)=2x+5

• f(x)=2^x

• f(x)=(x+1)³

• f(x)=(x-5)²

This graph is...

• Concave up

• Concave down

Tags

CCSS.HSF-IF.C.7A

The vertex of this quadratic is...

• (1,16)

• (-3,0)

• (5,0)

• (0,15)

What is the equation of the axis of symmetry of this parabola?

• 2

• 0

• x=2

• x=0

Tags

CCSS.HSF-IF.C.7A

Is this a max or min?

• max

• min

• cannot be determined

Tags

CCSS.HSF-IF.C.7A

Find the axis of symmetry for
f(x) = x²- 8x + 15.

• x = -4

• x = 4

• y = 4

• y = -4

Use the graph to determine the solutions.

• -1 and -3

• 1 and -3

• 1 and 3

• -1 and 3

Does y = -4x² have a maximum or minimum value?

• maximum

• minimum

Tags

CCSS.HSF-IF.C.7A

Does this graph in the back have maximum or minimum value?

• maximum

• minimum

• neither

• both

Tags

CCSS.HSF-IF.C.7A

Determine the line of symmetry.  y = x²+16x+64

• x=4

• x=2

• x=-8

• x=64