Linear Relationships & Functions

Which of the statements about the graph below is true?

• The graph is proportional and has an equation of y = -x +18.

• The graph is non-proportional and has an equation of y = -x + 18.

• The graph is non-proportional and has an equation of y = -2x + 18.

• None of the above statements are true.

The table below shows the amount that a catering company charges based on the number of people at an event. Which of the following equations shows the relationship between c, the amount the company charges based on p, the number of people at the event?

• c = 16p

• c = 75p + 13

• p = 13c + 75

• c + 13p + 75

The slope of a graphed line is 2/5. Which of the following triangles could lie on the line?

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Which of the following describes a proportional relationship?

• Drew paid $2.86 per pound of apples plus $0.10 for a grocery bag.

• Heather rented a hotel for $110 a night plus $18 a night for valet parking.

• Carlos bought tires for $250 each with a discount of $50 off his total purchase.

• Manuel bought three pairs of shoes for $99 each plus a shipping fee of $6.

Find the slope and the y-intercept of the linear function shown below.

• Slope: 5/2,

  y-intercept: -10

• Slope: 1/2,

  y-intercept: -10

• Slope: 1/4,

  y-intercept: 1

• Slope: -5/2,

  y-intercept: -10

Tags

CCSS.HSA.REI.D.10

CCSS.HSS.ID.C.7

The following set of ordered pairs represents y as a function of x.

{(9, 8), (-2, -14), (6, 2), (-3, -16), ( __, __)}

Which of the following could be the missing ordered pair?

• (9, 8)

• (-3, 9)

• (-9, 8)

• (6, -2)

Which is true about the table and the graph shown below?

• Only the table shows a proportional relationship.

• Only the graph shows a proportional relationship.

• Both the table and the graph show a proportional relationship.

• Neither the table nor the graph show a proportional relationship.

Which of the following representations shows y as a function of x?

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• 
• 
• 

Zane owes his dad money for his cell phone that he lost. So far, Zane has paid his dad $23, and he will pay his dad an additional $45 each month until he had repaid him for the phone. Which equation shows the relationship between m, the number of months that Zane has been making payments and t, the total amount he has paid his dad?

• t = 45m + 23

• m = 45t + 23

• t = 23m + 45

• t = 68m

Preston needs to write an equation in slope-intercept form to represent the relationship between x and y in the table below. What will be the value of the y-intercept in this equation?

• 12

• -6

• -12

• -15