Exploring Rational Expressions: Addition and Subtraction

What tool is introduced to help solve word problems involving inequalities?

• Desmos

• WolframAlpha

• Excel

• Graphing calculator

In Example 1, what is the maximum number of hours that can be worked in a week?

• 8 hours

• 12 hours

• 10 hours

• 15 hours

Tags

CCSS.HSF.LE.B.5

In Example 1, how much does the person earn per hour from house cleaning?

• $8

• $10

• $12

• $5

In Example 2, what is the minimum number of candles that need to be bought?

• 25

• 20

• 15

• 10

Tags

CCSS.7.EE.B.4A

In Example 2, what is the cost of one large candle?

• $3.5

• $5

• $8

• $7

In Example 3, what is the minimum amount of money that needs to be raised?

• $100

• $150

• $250

• $200

Tags

CCSS.HSF.LE.B.5

In Example 3, how much does one hat sell for?

• $10

• $12

• $8

• $5

In Example 4, what is the minimum number of each type of pizza that needs to be sold?

• 4

• 3

• 2

• 1

Tags

CCSS.8.EE.C.7B

In Example 4, how much does one cheese pizza sell for?

• $9

• $8

• $7

• $6

In Example 4, what is the minimum amount of money that needs to be raised from selling pizzas?

• $180

• $160

• $150

• $170