12.16_FINAL EXAM_PRE_CALCULUS

Factor
k²+7k+10

• (k+2)(k+5)
• (k-2)(k-5)
• (k+10)(k+4)
• (k+2)(k-5)

Factor
n²-13n+40

• (n-5)(n-8)
• (n+5)(n-8)
• (n-5)(n+8)
• (n+6)(n+1)

-7(x + 3) 

• 7x + 21
• -7x - 21
• -7x + 21
• 7x - 3

Factor:
56a³-8a

• 8a²(56a³-8a)
• 8a(7a²-1)
• 8a(7a³-a)
• 8a²(35a²-a)

Simplify. 

• (m+6)/(m-3)
• 7/(m-3)
• 7(m+6)
• (m-3)

Simplify. 

• (x+6)/(x+4)
• (x+6)(x+4)
• (x+6)
• (x+6)/(x-5)

Multiply and Simplify

• $\frac{4\left(x+3\right)}{\left(x+2\right)}$

• $\frac{\left(x+2\right)}{4\left(x+1\right)}$

• $\frac{\left(x+2\right)}{4\left(x+3\right)}$

• $\frac{4\left(x+1\right)}{\left(x+2\right)}$

Divide and simplify:

 $\frac{7}{x^2+15x+50}\div\frac{1}{x+10}$  

•  $\frac{x-3}{x+3}$  

•  $\frac{x-3}{7}$  

•  $3$  

•  $\frac{7}{x+5}$  

Divide and Simplify

• $\frac{1}{6}$

• $\frac{\left(x+10\right)}{\left(6x+60\right)}$

• $\frac{\left(x+8\right)}{\left(6x+60\right)}$

• $\frac{\left(x+10\right)\left(x+8\right)}{\left(6x+60\right)}$

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