Unit 2 Review

A car travels at a rate of 35 miles per hour for 6 hours. Let y be the distance, in miles, the car travels for a given amount of time , x, hours. This situation can be modeled by a function. Which of these describes the domain of the function?

• $0\le x\le6$

• $0\le y\le6$

• $0\le y\le35$

• 0 $0\le x\le35$

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

Frank wants to go bowling. The alley charges $5 per game and a one-time charge of $2 for bowling shoes, as represented by the equation y = 5x + 2. In the equation, what is represented by the variable "x"? 

• The number of games Frank bowled 

• The total cost of bowling 
  

• The one-time charge for shoes 

• The cost per game

Tags

CCSS.HSA.SSE.A.1

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Which of the following situations could be represented by the equation y = 4x + 7?

• A bricklayer lays 7 bricks in 4 minutes. What is the total number of bricks he can lay in x minutes?

• An express package costs $7 plus $4 per pound to ship. What is the total cost for x pounds?

• A jogger is 4 miles from home, jogging toward home at 7 miles per hour. What is the total number of minutes it will take her to get home?

• A math teacher gave some problems worth 7 points and a bonus problem worth 4 points. What was the total value of the problem?

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.SSE.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.B.5

CCSS.HSS.ID.C.7

A local theater sells admission tickets for $15 on Friday nights. At capacity, the theater holds 200 customers. The function M(n) = 15n represents the amount of money the theater takes in on Friday nights, where n is the number of customers. What is the domain of M(n) in this context?

• All whole numbers

• All non-negative rational numbers

• All non-negative integers that are multiples of 15

• All non-negative integers less than or equal to 200

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

CCSS.HSF.IF.B.5

Hector works 12 hours per week at a part-time job. His original pay rate was $8.00 per hour, but he recently received a raise of x dollars per hour. His new total weekly pay, y, is represented by the equation y = 12(8+x). If Hector earned $126 last week, what was the amount of Hector’s raise per hour?

• $1.50

• $2.50

• $3.75

• 30.00

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.REI.B.3

CCSS.HSA.SSE.A.1

1. Lucy is going to walk in a fundraising event to raise money for her school band. Her mother has agreed to donate $7.50 to the school for each mile that Lucy walks, plus an additional $25.

• y = 7.50x + 25

• y = 25x + 7.50

• y = 32.50x

• y = 17.5x

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.SSE.A.1

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

Write the linear inequality in standard form for this situation: Ms. Savva is ordering pizzas and breadsticks for a school party and has a budget of no more than $81. An order of breadsticks costs $7 and a pizza costs $13. 

• 7x + 13y < 81
• 7x + 13y ≥ 81
• 7x + 13y ≤ 81
• 7x + 13y > 81

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.CED.A.3

How can I tell if an inequality will have a solid line?

• It has an equal sign.
• The symbol is greater than.
• The symbol has "or equal to."
• You just guess.

Tags

CCSS.HSA.REI.D.12

Do I need to flip my sign?
2x -3y  ≥ 12

• Yes
• No

Tags

CCSS.HSA.REI.B.3

Consider the function y<2x+3. Which is true?

• The line would be solid with shading above.
• The line would be dashed with shading above.
• The line would be solid with shading below.
• None of these.

Tags

CCSS.HSA.REI.D.12