QUIZ: EXPRESSIONS

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

• 9m, -9m, 7m

• 1p, -7p, 7p

• 30, -25, 25

• 9x, 6y, -3z

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, -9y, -7xy

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. JAYDEN: -(6r - 3) FABIAN: -2(3r - 1) LEAH: 3(-2r + 1) Which of these students wrote equivalent expressions?

• Jayden and Leah

• Fabian and Leah

• Jayden and Fabian

• Jayden, Fabian, and Leah

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

• -21z - 35t + 21g

• -21z - 35t - 21g

• -21z + 35t + 21g

• 21z + 35t - 21g

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

• 10r - 54

• 10r + 54

• 46r - 54

• 28r - 18r + 6

Which equation shows the simplified expression for the area of the rectangle shown.

• 4(8x - 2) = 32x - 8

• 4(8x - 2) = 32x + 8

• 4(8x - 2) = 8x - 8

• 4(8x - 2) = 32x - 2

_______________ have exactly the same variables and the same exponents.

• Variables
• Like Terms
• Coefficients
• Rational Numbers