F(X) for Known X Value for Quadratic Equation

Use the graph to determine the solutions.

• -1 and -3

• 1 and -3

• 1 and 3

• -1 and 3

What is the axis of symmetry?

• the slope of the graph

• the dividing line for a parabola

• a way to spin my pencil

• the x-axis

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

Is this a max or min?

• max

• min

• cannot be determined

What is the value of x when f(x) = 10?

• x = 10 only

• x = 2 and x = 10

Analyze the given graph and the determine the correct function.​ (a)   ​ (b)  

• x(x-2)

• x+(x-2)

• (x+4)(x+5)

• (x-0)

Tags

CCSS.HSF-IF.C.7A

The graph represents f(x). If f(x)=4, what is x?

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

For what value of x is f(x)=4

• 2

• -2

• 2 and -2

• undefined

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Which of the following represents a quadratic function?

• 1

• 3

• 2

• 5

• 4