Unit 1 Exam

 $k+9=2$ 

Solve the equation for k. Write only the number for your answer. If your answer is all real numbers or no solution, write that. Write your answer with no spaces.  

-4x + 1 = 21

• x=120
• x=5
• x=30
• x=-5

What is the solution to the equation?

 $\frac{1}{5}x+4=-4$  
Solve the equationfor x. Write only the number for your answer. If your answer is all real numbers or no solution, write that. Write your answer with no spaces. 

Solve the inequality.

 $7\left(4+x\right)<9x+2$  
Solve the inequality for x. Write the inequality with x on the left side of the inequality. If your answer is all real numbers or no solution, write that. Write your answer with no spaces. 

-4x + 14 ≤ 54

• x ≥ - 10
• x ≤ -10
• x ≥ 10
• x ≤ 10

When graphing do you use an open or closed circle for > ?

• Open

• Closed

 $1+11a-8=10a$  

Solve for a. Write just the number for your answer. If your answer is no solution or all real numbers then write that. 

 $5(2x-1)=-5+10x$  
Solve for x. Write just the number for your answer. If your answer is no solution or all real numbers then write that. 

Solve the equation. 
 $6\left(x+8\right)=6x+13$  
Solve the equation for x. If your answer is all real numbers or no solution, write that. Write your answer with no spaces. 

 $2<-5\left(x-1\right)+8x$  

Solve the inequality for x. Write the inequality with x on the left side of the inequality. If your answer is all real numbers or no solution, write that. Write your answer with no spaces.