Linear Functions: Table to Equation

Kevin owns a lawn business. He charges $10 per hour and a $25 dollar disposal fee. What is the correct equation Kevin would use to find out how much to charge his customers?

• y = 25x + 10

• x = 25y + 10

• y = 10x +25

• x = 10y + 25

Tags

CCSS.6.EE.C.9

Ashley is saving $18 that she earned for babysitting. She earns $7 every week for doing chores at home, which she also saves. Which function can be used to find y, the total amount of money Ashley will have saved at the end of x, weeks of doing chores?

• y = 7x + 18

• y = 18x + 7

• y = 25x

• y = 18x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

You are visiting Houston, Texas and a taxi cab company charges a flat rate of $4.00 for using the cab and $0.95 per mile.  Write an equation to determine the cost when x miles is driven.

• y = .75x

• y = .95x

• y = .95x + 4

• y=4.95x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

• A
• B
• C
• D

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which equation is being represented by this line?

• y = -1x + 2

• y = 1/2x + 2

• y = 3x -4

• y = -3x +2

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Does this mapping diagram represent a function?

• No, because there are repeating input values

• Yes, because there are no repeating input values

Tags

CCSS.8.F.A.1

Which of these represents slope-intercept form of a linear equation?

• y - y₁ = m(x-x₁)

• Ax + By = C

• y = mx + b

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What function best models the data in the table?

• linear

• exponential

• quadratic

A(n) _________________ function will ADD the same number each time.

• Linear

• Quadratic

• Exponential

• All of the above

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which of the following statements is true about the functions f(x) and g(x)?

• The y-intercept of the function f(x) is less than the y-intercept of the function g(x).

• The y-intercept of the function f(x) is greater than the y-intercept of the function g(x).

• The y-intercept of the function f(x) is equal to than the y-intercept of the function g(x).

• The y-intercepts cannot be determined.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9