Writing and Graphing Equations in Two Variables

Each day that a library book is kept past its due date, a $0.30 fee is charged at midnight. Which ordered pair is a possible solution if x represents the number of days that a library book is late and y represents the total fee?

• (-3, -.90)

• (-2.5, -7.5)

• (2, 0.60)

• (3, .75)

Tags

CCSS.HSF.IF.A.2

Determine whether the graph is discrete or continuous.

• Discrete

• Continuous

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

How much does it cost to have your lawn mowed for 2 hours?

• $16

• $17

• $18

• $19

Tags

CCSS.HSF.LE.B.5

Which statement below accurately represents the graph?

• $100 is earned for each hour worked
• $100 is earned for every 2 hours worked
• $500 is earned for every 8 hours worked
• $200 is earned for every 3 hours worked

Tags

CCSS.HSF.IF.B.4

About how many male math teachers were there in 2006?

• 15
• 30
• 35
• 45

Tags

CCSS.HSF.IF.B.4

Write an equation to represent the following scenario:

"Bob has $150 in his savings account and saves $40 per month."

• y = 150 + 40

• y = 40x + 150

• y = 150x + 40

• y = 190x

Tags

CCSS.6.EE.C.9

Otto used 6 cups of whole wheat flour and x cups of white flour in the recipe. What is the equation that can be used to find the value of y, the total amount of flour that Otto used in the recipe?

• $y\ =\ 6x$

• $y=x+6$

Tags

CCSS.6.EE.C.9

Otto used 6 cups of whole wheat flour and x cups of white flour in the recipe. Let y be the total amount of flour that Otto used in the recipe. What are the constraints on the values of x and y?

Hint - Integers are positive and negative numbers, including zero. Do negative numbers work in this scenario?

• x is any integer greater than or equal to 0, and y is an integer greater than or equal to 6.

• x is any real number greater than or equal to 0, and y is any real number greater than or equal to 6.

Mr. Hann is trying to decide how many new copies of a book to order for his students. Each book weighs 6 ounces.

Which ordered pair is a possible solution if x represents the number of books he orders and y represents the total weight of the books, in ounces?

• (-3, -18)

• (-2, -6)

• (0, 0)

• (0.5, 3)

Tags

CCSS.HSF.IF.A.2

Each day that a library book is kept past its due date, a $0.30 fee is charged at midnight. Which ordered pair is a possible solution if x represents the number of days that a library book is late and y represents the total fee?

• (-3, -.90)

• (-2.5, -7.5)

• (2, 0.60)

• (3, .75)

Tags

CCSS.HSF.IF.A.2