Mathematics Quiz

Which of the sets of terms below does NOT include like terms?

• 9m, -9m, 7m

• 1p, -7p, 7p

• 30, -25, 25

• 6x, 6y, 6z

Which is the correct simplified version of the expression 32x + 8 – 34x?

• 66x + 8

• 74x

• -2x + 8

• 6x

Which of the following is an example of a set of like terms?

• 17y, y, 17

• 15x, -x, 33x

• 18, 21g, 24

• -5x, -5y, -5xy

Which of the following expressions represents the perimeter of the figure below?

• 5x – 10

• 5x – 6

• 10x – 12

• 10x – 20

Which of the following is a true statement?

• -4(w + 8) is equivalent to -4w + 32.

• -2.5(4p –16) is equivalent to -10p + 40.

• 1/2 (8 – 4g) is equivalent to 4 + 2g.

• All of the above are true.

Three students wrote expressions on their dry erase boards. Circle the two students who wrote equivalent expressions.

Simplify: -7(3z + 5t - 3g)

• -21z - 35t + 21g

• -21z + 35t - 21g

• 21z - 35t + 21g

• -21z - 35t - 21g

Simplify: 28r - 9(2r + 6)

• 10r - 54

• 28r - 18r - 54

• 28r - 18r + 54

• 28r + 18r - 54

Write an expression with distribution to represent the area of the rectangle.

Simplify an expression for the area of the rectangle shown below.

• 32x - 8

• 32x + 8

• 16x - 4

• 16x + 4