CUA 3B

What is the y-intercept of the graph of the function?

What are the slope and the y-intercept of the graph of the linear function on the grid?

• slope: 4

  y-intercept: -6

• slope: -4

  y-intercept: -1.5

A company sells bottles of vitamin capsules. The graph and table show the linear relationship between the cost per capsule in cents and the number of bottles ordered. What is the slope of the line that models the situation?

• 5

• -5

The cost for electricity varies directly with the amount of kilowatt-hours of electricity used. The cost for using 1,079 kilowatt-hours of electricity was $129.48.

What was the cost for using 908 kilowatt-hours of electricity?

• $41.52

• $153.86

• $75.67

• $108.96

Emily sells greeting cards. The graphs models the linear relationship between the number of boxes of cards she sells and her profit. Which of these best describes the profit Emily makes from selling these cards?

• $7.50 per box

• $10.00 per box

• $4.00 per 30 boxes

• $3.00 per 4 box

Based on the table, how much did Francis earn per hour?

• $17.50 per hour

• $14.00 per hour

• $35.00 per hour

• $24.50 per hour

If y varies directly as x and y = 18 when x = 3, Find y when x = 7.

• 16

• 34

• 42

• 49

What is the slope?

• 2/3
• 3/2
• -7
• -5

What is the slope?

• 1/4
• 4
• -3
• -2

Please view the image to answer the question.