Algebraic Equations/Expression MAP Review

Which expression is equivalent to 8𝑚 + 6 − 3𝑚 − 2?

• 5𝑚 + 4

• 5𝑚 + 8

• 11𝑚 + 4

• 11𝑚 + 8

Which expression is equivalent to −8(10𝑥 − 3)?

• −80𝑥 − 24

• −80𝑥 + 3

• −80𝑥 − 3

• −80𝑥 + 24

Which expression makes the equation true for all values of 𝑥?

16𝑥 − 16 = 4( ? )

• 2𝑥 − 2

• 4𝑥 − 16

• 4𝑥 − 4

• 12𝑥 − 12

Which expression represents a factorization of −48𝑥 + 30𝑦?

• −6(−8𝑥 − 5𝑦)

• −6(−8𝑥 + 5𝑦)

• −6(8𝑥 − 5𝑦)

• −6(8𝑥 + 5𝑦)

Which expression represents this product ?

3(5/4𝑛 + 1.8)

• 5.55𝑛

• 9.15𝑛

• 3.75𝑛 + 1.8

• 3.75𝑛 + 5.4

A rectangular array is shown below. Use the array to write equivalent expressions in the form __ ( ______) = __________. (apply the distributive property.)

• -3(2x - 9) = -6x +27

• -3(-2x + 9)= 6x - 27

• -3(-2x+9) = 6x - 27

At the school store, notebooks cost $3 each and packs of markers cost $3 each. You buy 𝑥 notebooks and 4 packs of markers. The two expressions below represent how much money you spent at the school store.

3(𝑥 + 4) 3𝑥 + 12

What does the (x+4) represent in the situation?

• It represents the cost of 3 notebooks and 3 markers

• it represents the number of markers and notebooks purchased

At the school store, notebooks cost $3 each and packs of markers cost $3 each. You buy 𝑥 notebooks and 4 packs of markers. The two expressions below represent how much money you spent at the school store.

3(𝑥 + 4) 3𝑥 + 12

What does 3x represent in the second expression?

• The amount of money you spend on markers

• The amount of money you spend on notebooks

The measure of one side of an equilateral triangle is (𝑠 + 6) inches long. Write 2 different, equivalent expressions to represent the perimeter of the triangle. Choose 3 below!

• 3(s+6)

• 3s+6

• 3s+18

• s+s+s+6+6+6

• s+6

Nathan has a piece of rope that is 25.6 feet long. He cuts it into 8 equal pieces of rope. How long is each piece?

• 3.6

• 3

• 3.2

• 3.25