Unit 4 Review

What is the GCF?
 $28p^3+16p^2+16p$  

•  $2p$  

•  $4p$  

•  $4p^2$  

•  $8p^{2\ }$  

Factor completely:
 $6a^2+48a-54$  

•  $\left(a-1\right)\left(a+9\right)$  

•  $6\left(a-1\right)\left(a+9\right)$  

•  $\left(6a-6\right)\left(a+9\right)$  

•  $\left(a-1\right)\left(6a-54\right)$  

What is the domain of the graph?

• y≥1
• x ≥ 1
• All real numbers
• none of these

What is the range of the graph?

• y≥1
• x≥1
• All real numbers
• none of these

Solve
a² + 2a - 24 = 0

• a = -6, 4
• a = 6, -4
• a = 12, -2
• a = 8, -3

Identify the graph with a x-intercept of 3 and a y-intercept of - 1

• 
• 
• 
• 

What is the x-intercept shown on the graph?

• (2, 0)
• (-2, 0)
• (0, 3)
• (3, 0)

What is the y-intercept shown on the graph?

• (0, -2)
• (3, 0)
• (0, 3)
• None of these.

When is this function increasing?

• $\left(-2.5,2.5\right)$

• $\left(0,5\right)$
  

• $\left(0,55\right)$
  

• $\left(-5,0\right)$
  

Factor x²-2x-15

• (x+5)(x-3)
• (x-5)(x-3)
• (x-5)(x+3)
• (x+5)(x+3)