Unit 4 Review

Find the value of "c" that completes the square.

 $x_{ }^2+8x+c$  

• -4

• 4

• 8

• 16

Tags

CCSS.HSA-REI.B.4B

Find the value of "c" that completes the square.

 $x^2+28x+c$  

• 28

• 14

• 196

• 56

Tags

CCSS.HSA-REI.B.4B

Find the value of "c" that completes the square.

 $t^2+7t+c$  

•  $\frac{7}{2}$  

• 3.5

•  $\frac{49}{4}$  

•  $\frac{49}{2}$  

Tags

CCSS.HSA-REI.B.4B

Find the value of "c" that completes the square. Then rewrite the trinomial as a perfect square.

 $p^2+14p+c$  

•  $49;\ \left(p+7\right)^2$  

•  $7;\ \left(p+7\right)^2$  

•  $49;\ \left(p+14\right)^2$  

•  $7;\ \left(p+49\right)^2$  

Tags

CCSS.HSA-REI.B.4B

• 4

• 16

• 36

• 64

Tags

CCSS.HSA-REI.B.4B

Solve by completing the square.
 $x^2-8x-20=0$  

•  $x=\left\{-2,\ 10\right\}$  

•  $x=\left\{-10,\ 2\right\}$  

•  $x=\left\{-20,\ -8\right\}$  

•  $x=\left\{8,\ 20\right\}$  

Tags

CCSS.HSA-REI.B.4B

Solve by completing the square.
 $x^2-12x+20=0$  

•  $x=\left\{2,\ 10\right\}$  

•  $x=\left\{-10,\ -2\right\}$  

•  $x=\left\{-12,\ 20\right\}$  

•  $x=\left\{12,\ 20\right\}$  

Tags

CCSS.HSA-REI.B.4B

A student graphed f(x) = x and g(x) = f(x + 4). Which statement is true?

• The graph of f is steeper than the graph of g.

• The graph of f is less steep than the graph of g.

• The graph of f is shifted 4 units up to create the graph of g.

• The graph of f is shifted 4 units to the left to create the graph of g.

Which transformation transforms the graph of
f(x) = x² to the graph of
g(x) = (x + 4)²?

• a vertical translation 4 units up
• a vertical translation 4 units down
• a horizontal translation 4 units to the left
• a horizontal translation 4 units to the right

How did we transform from f(x) =x² 
to
g(x) = -3x²

• reflection in x-axis and vertical shift down
• reflection x-axis and vertical stretch
• horizontal stretch
• reflection x-axis and vertical compression