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Reteach Unit 2A: Big Idea 5 (S)

Last updated over 1 year ago

5 questions

1

1

Question 2

2.

1

1

1

Question 1

1.

Consider the expression below.

Which procedure correctly simplifies the expression?

Step 1:  –2x + 5 + 14x + 21
Step 2:  12x + 26

A rectangle has a length of (4.5x + 2) centimeters and a width of 3/4x centimeters. 

Write a simplified expression that represents the perimeter of the rectangle.

Question 3

3.

Question 4

4.

Ms. Murrieta was going to fill Ms. Faahs' classroom with balloons for her birthday. She drew a sketch of her room with the measurements labeled. In order to know how many balloons to buy, Ms. Murrieta needs to solve for the area of Ms. Faahs' room.

Write a simplified expression that Ms. Murrieta could use to solve for the area of the room.

Question 5

5.

You and two friends head over to the local burger spot in your city. The menu of prices is posted below:

Write a simplified expression that would represent the cost of buying 4 burgers, 3 fries, and 2 drinks.

Step 1:  –2x + 5 – 14x – 21
Step 2:  –16x–16

Step 1:  –2x – 5 – 14x + 3
Step 2:  –16x – 2

Step 1:  –2x – 5 – 14x + 21
Step 2:  –16x + 16

Select ALL expressions that are equivalent to the following expression: