Function Rule (Slope Intercept)

Write the equation of the line for the graph at the right

• y = 1/3 x + 4

• y = -1/3 x +4

• y = 3x + 4

• y = -3x + 4

James was given a $25 gift card to Chick-Fill-Up for his birthday. He used the gift card to buy milkshakes that cost $3.00 each. The graph below shows the relationship between the number of shakes purchased and the balance on James' gift card.

As the number of milkshakes increases by 1, the balance left on the gift card ________.

• increases by 1

• increases by 3

• decreases by 1

• decreases by 3

James was given a $25 gift card to Chick-Fill-Up for his birhday. He used the gift card to buy milkshakes that cost $3.00 each. The graph below shows the relationship between the number of shakes purchased and the balance on James' gift card.

What is the slope?

• 3

• -3

• 25

• -25

James was given a $25 gift card to Chick-Fill-Up for his birhday. He used the gift card to buy milkshakes that cost $3.00 each. The graph below shows the relationship between the number of shakes purchased and the balance on James' gift card.

What is the y-intercept?

• 3

• -3

• 25

• -25

James was given a $25 gift card to Chick-Fill-Up for his birhday. He used the gift card to buy milkshakes that cost $3.00 each. The graph below shows the relationship between the number of shakes purchased and the balance on James' gift card.

What will be the balance on the gift card James has bought 7 shakes?

• 5

• 6

• 3

• 4

What is the rate of change?

• 1

• 2

• 3

• 5

What is the rate of change?

• 1

• 2

• 3

• 5

What is the rate of change?

• 2

• 3

• 4

• 5

How many squares should be in figure 2?

• 18

• 10

• 5

• 27

Find the y-intercept?

• -7

• -4

• 1

• 3