Chapter 9 Test

 Consider the equation  $y=x^2+2x-4$  .  Find the vertex and state the domain and range.

• ( 1 , -1)     Domain:  all real numbers     Range:   $y\ge-1$  

• ( -1 , -1)     Domain:  all real numbers     Range:   $y\le-1$  

• ( 1 , -5)     Domain:  all real numbers     Range:   $y\ge-5$  

• (-1 , -5)     Domain:  all real numbers     Range:   $y\ge-5$  

 What is the equation for the axis of symmetry of the graph of  $y=x^2+6x-7$  ?

• x = 6

• x = -3

• x = 3

• x n= -6

What are the solutions of the graph of the quadratic equation?

• -1 , 3

• -3 , 1

• -1 , 1

• 1 , 3

One of the solutions of the quadratic equation whose related function is graphed lies between which two consecutive integers?

• 1 and 2

• 2 and 3

• 0 and -1

• 0 and 1

Which equation corresponds to the graph shown?

• $y=x^2+1$

• $y=-x^2-1$

• $y=x^2-1$

• $y=x^2$

Tags

CCSS.HSF-IF.C.7A

Find the value of c that makes  $x^2-4x+c$  a perfect square trinomial

• 4

• -4

• 16

• -16

Tags

CCSS.HSA-REI.B.4B

What value of c makes   $x^2-3x\ +\ c$  a perfect square trinomial

•  $-9$  

•  $9$  

•  $-\frac{9}{4}$  

•  $\frac{9}{4}$  

Tags

CCSS.HSA-REI.B.4B

Which equation is equivalent to   $x^2+2x-3=0$  ?

•  $\left(x+1\right)^2=2$  

•  $\left(x-1\right)^2=4$  

•  $\left(x-1\right)^2=2$  

•  $\left(x+1\right)^2=4$  

Tags

CCSS.HSA-REI.B.4B

Solve the equation   $2x^2+3x-5=0$  using the Quadratic Formula.

•  $-2\ \frac{1}{2}\ ,\ 1$  

•  $-5\ ,\ 1$  

•  $-1\ ,\ 2\ \frac{1}{2}$  

•  $-1\ ,\ 5$  

Tags

CCSS.HSA-REI.B.4B

State the value of the discriminant for   $y=x^2-8x+10$  

•  $4.9$  

•  $24$  

•  $104$  

•  $10.2$  

Tags

CCSS.HSA-REI.B.4B