Are You Smarter Than a 9th Grader?

Simplify: $-5+7$  

•  $-12$  

•  $12$  

•  $-2$  

•  $2$  

Simplify: $-6\cdot-3$  

•  $18$  

•  $-18$  

•  $9$  

•  $-9$  

What is the best first step to solve the equation below?

 $3x+8=29$  

• add 8 to both sides

• subtract 8 from both sides

• multiply both sides by 8

• divide both sides by 8

Distribute: $2\left(x+5\right)$  

• 2x + 5

• 2x + 10

Combine like terms: $10x+5-3x+2$  

• 14x

• 13x + 7

• 7x + 7

Simplify: $5^2$  

• 7

• 10

• 25

What is the solution to the equation below?

 $x+5=18$  

• x = 23

• x = 13

Is the mapping diagram shown a function?

• Yes

• No

What type of slope does the line shown have?

• positive

• negative

• zero

• undefined

What type of solution does the equation shown below have?

 $\frac{1}{2}x+10=\frac{1}{2}x-7$  

• no solution

• infinitely many solutions