Chapter 1 and 2a review

Question 1

Bob has x teeth. Mary has four times as many. Together they have twenty. The equation is:

Accepted Answer

x + 4x = 20 or 5x = 20

Question 2

Cassie is x inches tall. Carol is 2 inches taller. Together they are 122 inches. Equation is:

Accepted Answer

(x) + (x+2) = 122

Question 3

Erin saved $45 every 4 weeks? The equation is:

Accepted Answer

y = 45/4x

Question 4

Flipping the tiles to the other region change their color. What is the value of the tiles?

Accepted Answer

-(y - 4), -y + 4

Question 5

Tiles are in both regions. What is the value of the tiles?

Accepted Answer

3x - (xy + 2), 3x - xy - 2

Question 6

Why do so many people like Mrs. Langman?

Accepted Answer

She tries to make people's lives better by helping them

Question 7

What is the best thing about Mrs. Valenti?

Accepted Answer

How she always tries to help people

Question 8

What is the value of the tiles?

Accepted Answer

2x - 2

Question 9

What is Mr. Morse's favorite sports team?

Accepted Answer

Denver Broncos

Question 10

Adam walked 7 feet every 2 seconds. An equation for his rate of walking (speed) is

Accepted Answer

y = 7/2x

Question 11

What is the value of the tiles?

Accepted Answer

3x2 +2x+3

Question 12

What is the value of the tiles?

Accepted Answer

x2 + 2, 3 + 2x -x2 + 2x2 + (-1) - 2x

Question 13

What is the value of the tiles?

Accepted Answer

2x - 3

Questions 13