Unit 3 (Quadratics in Factored Form) Test Review

Which word is not a synonym for the other words?

• x-intercepts

• Zeros

• Roots

• y-intercepts

• Solutions

Tags

CCSS.HSF-IF.C.7C

What is the GCF of

 $3x^2+9x$  ?

• 3

•  $3x^2$  

•  $3x$  

•  $3x^2+9x$  

This graph shows the height (in decameters) of an object that starts one decameter above ground over time (in minutes). After how many minutes does it hit the ground?

What is the equation of this parabola?

• y = (x-4)(x+1)

• y = (x + 4)(x -1)

• y = (x -4)(x -1)

• y = (x - 0)(x +1)

Tags

CCSS.HSF-IF.C.7A

Which two options equal

 $f\left(x\right)\ =\ x^2+4x\ +\ 4$  ?

•  $f\left(x\right)=\left(x^2+4\right)\left(4\right)$  

•  $f\left(x\right)=\left(x+2\right)^2$  

•  $f\left(x\right)=\left(x+2\right)\left(x+2\right)$  

•  $f\left(x\right)=\left(x+2x+2\right)^2$  

Tags

CCSS.HSA.APR.C.4

A parabola opens down and has a vertex of (3, 5). What is the maximum of the graph?

• There is no maximum

• (3, 5)

• (0, 5)

• (0, 3)

Tags

CCSS.HSF-IF.C.7A

What two numbers add to -14 and multiply to 40?

• -4 and -10

• 1 and 4

• 40 and 10

• 7 and 2

Tags

CCSS.HSA-REI.B.4B

Are you awake?

• Yes

• No

• What?

What is the end behavior of the Gateway Arch?

• BL BR; it opens up

• BL BR; it opens down

• TL TR; it opens up

• TL TR; it opens down

Tags

CCSS.HSF-IF.C.7A

A parabola has a vertex of (-2020, -2021). What is the axis of symmetry?

• x = 2020

• x = -1010.5

• x = 1010.5

• x = -2020