Week 23 Day 2- Inequalities Application

Week 23 Day 2- Inequalities Application

I can set up and solve inequalities for real world problems.

Do Now Questions

Multiple Choice

In the 6th grade, Miguel read 15 books. In 7th grade, he read 21 books. What was the percent change in the number of books Miguel read from 6th to 7th grade?

• 40% increase

• 40% decrease

• 20% increase

• 20% decrease

Multiple Choice

Find the percent increase. Round to the nearest percent.

From $5 to $8

• 40%

• 60%

• 55%

• 65%

Multiple Choice

Michelle bought a new tablet for $360 last month. Now, it is priced at $280. What is the percent of change in the price of the tablet?

• 9%

• 22.2%

• 80%

• 800%

Solving Inequalities Review

Multiple Choice

What inequality does the number line graph represent?

• x > 5

• x < −5

• x ≥ 5

• x ≥ −5

Multiple Choice

-4 + y < -8

• y < 4
• y < -12
• y < -4
• y < 12

Multiple Choice

-9x + 7 ≥ 25

• x ≥ -3.6
• x ≤ 2
• x ≥ -2
• x ≤ -2

Multiple Choice

-4x-7≥21

• x≥7
• x≥-7
• x≤8
• x≤-7

Inequalities Application

>

• greater than

• larger than

• more than

• above

<

• not more than

• smaller than

• below

• less than

≥

• at minimum

• at least

• greater than equal to

≤

• less than equal too

• at maximum

• not more than

• at most

Multiple Choice

Your age is less than Mr. Davis's Age

• Your age < Mr. Davis's Age

• Mr. Davis's Age < Your age

Multiple Choice

Tom Brady's paycheck is more than $50,000

• Tom Brady's Paycheck < $50,000

• Tom Brady's Paycheck > $50,000

Multiple Choice

Steph Curry's height is less than or equal to Lebron James' height

• Steph Curry height ≤ Lebron James height

• Steph Curry height ≥ Lebron James height

Multiple Choice

Svetlana's hair is 4 centimeters long. Her hair grows 1.5 centimeters per month. Svetlana wants her hair to grow so that it is at least 7 centimeters long. Write an inequality to determine the number of months, m, it will take Svetlana's hair to grow so it is at least 7 centimeters long.

• 4+ 1.5m <= 7
• 1.5m - 4 <=7
• 1.5m - 4>= 7 
• 1.5m + 4 >= 7

Multiple Choice

Yellow Cab Taxi charges a $1.75 flat rate in addition to $0.65 per mile.  Katie has no more than $10 to spend on the taxi ride.

• 1.75 + 0.65m < 10
• 1.75 + 0.65m > 10
• 1.75m + 0.65 < 10
• 1.75m + 0.65 > 10

Multiple Choice

The speed limit is 45. Katie was going thirty miles per hour and sped up some. Which inequality represents the amount she could speed up and not be speeding? 

• 30 + s ≥ 45
• 30 - s ≥ 45
• 30 + s ≤ 45
• 30 - s ≤ 45