Saturday School #2

Amber has a summer job at In and Out Burger. She earns $10.50 an hour as a worker, but never works more than 25 hours in a week.
She determines that her salary is modeled by the function y = 10.5x.
What is the domain of this function in this situation?

• y ≤ 262.50
• all real numbers
• {0 ≤ x ≤ 25}
• {0 ≥ x ≥ 25}

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

CCSS.HSF.IF.B.5

Amber has a summer job at In and Out Burger. She earns $10.50 an hour as a worker, but never works more than 25 hours in a week.
She determines that her salary is modeled by the function y = 10.5x.
What is the range of this function in this situation?

• {0 ≤ y ≤ 262.50}
• {0 ≤ y ≤ 10.50}
• {0 ≤ y ≤ 25}
• {0 ≥ y ≥ 25}

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.LE.A.1

Steven is starting a baseball hat printing business and plans on selling each hat for $20 with his cost being $8 per hat. The equipment will cost $800.
Steven orders 500 hats and determines that the profit for his new business is modeled by the function P = 12x - 800.
What is the domain of this function in this situation?

• x ≥ 20
• all real numbers
• {0 ≤ x ≤ 500}
• {0 ≥ x ≥ 500}

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Solve the inequality:
-2x - 4 < 3x + 21

• x < 5
• x > 5
• x > -5
• x < -5

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

Rob is saving money for a down payment on a house. He opens a savings account at his local bank and deposits $1000. He models his savings plan with the equation y = 400x + 1000 based on his current income and monthly savings rate. What is the meaning of the y-intercept in the equation

• largest amount that he can save
• date his savings account was started
• date when he will have enough saved
• starting amount in his savings account

Tags

CCSS.7.RP.A.2D

 Johnny makes wooden benches to sell. His advertising costs are $150 per month and each bench costs him $100 to make. If he sells each bench for $175, how many benches must he sell to break even each month?

•               1 Bench
•              2 Benches
•              3 Benches
•              4 Benches

Tags

CCSS.7.EE.B.3

 A store is having a sale on 200 DVD movies. Some of the movies are being sold for $10 and some of them are being sold for $12. If the store made $2200 after selling all 200 DVDs, how many $12 DVDs were sold?

•                      50
•                      75
•                     100
•                    150

Tags

CCSS.7.EE.B.3

The graph shows the solution to which system of inequalities?

•  3x + y > 3 and
  2x-y<0
•  3x + y ≤ 3 and 
  2x - y ≥ 0 
•   3x + y ≤ 3 and 
  2x - y ≤ 0 
•   3x + y ≥ 3 and 
  2x - y ≥ 0 

Tags

CCSS.HSA.CED.A.3

CCSS.HSA.REI.D.12

According to the 2000 Census the population of Canton was 7,720. The population of Holly Springs was 3,200. Canton's population increases at a rate of 80 people a year and Holly Spring's population increases at 120 people a year. In how many years will the populations be equal?

•            113  years
•            273  years
•            22.6  years
•            54.6  years

Tags

CCSS.7.EE.B.3

 Leroy invested 12,000 into two different bank accounts. One account (x) gives Leroy 1.5% interest yearly and the other account (y) give Leroy 3% interest yearly. At the end of one year Leroy had earned $300 in interest. Which system of equations could be used to solve for how much money Leroy invested in the two accounts?

• x+y=300
  1.5x+3y=12,000
• 4.5(x+y)=300
  1.5x+3y=12,000
• x+y=12000
  0.015x + 0.03y=300
• x+y=12000
  0.03x + 0.015y=300

Tags

CCSS.7.EE.B.3