Quizizz Icebreaker 8th

Simplify the following operation:

 $\left(4+8\right)\div12+4\ \left(7-2\right)$  

• 21

• 12

• 25

• 32

Solve the following equation:

 $x+12=24$  

• 12

• -12

• 36

• -36

Simplify the following expression:

 $\left(5x-2y+3z\right)+\left(3x+4y-7z\right)$  

•  $8x+2y-4z$  

•  $8x-2y-4z$  

•  $8x-2y+4z$  

•  $-8x-2y+4z$  

Simplify the following expression:

 $\frac{1}{4}+\frac{1}{2}-\frac{3}{8}$  

•  $\frac{3}{8}$  

•  $-\frac{1}{2}$  

•  $-\frac{3}{8}$  

•  $\frac{1}{2}$  

A square is a ___________________:

• quadrilateral

• kite

• trapezoid

• triangle

Solve the following equation:

 $\frac{x}{12}=-2\$  

•  $-24$  

•  $24$  

•  $10$  
  

•  $-12$  

 $25+\left(-15\right)+\left(-10\right)+20$  

•  $20$  

•  $70$  

•  $40$  

•  $0$  

By what numbers is 225 divisible?

• $by\ 3\ only.$

• $by\ 3,\ 5$

• $by\ 3,\ 5,\ and\ 9$

• $by\ 5\ only.$

In the expression 2x² indicate what is the coeficient?

• 2

• 2x

• x²

• None of the above

Simplify when possible. 3x + x

• 4x

• 4x²

• 3 (x + x)

• None of the above