Analyzing Linear Graphs

What is the rate of change in this graph?

• $80 per month

• $40 per month

• $20 per month

• $160 per month

What is the y-intercept in this graph?

• (0,0)

• (-400, 0)

• (0, -200)

• (0,-400)

Which equation represents this graph? m= number of months

• Savings = -80m + 400

• Savings = 160m - 400

• Savings = -400m + 80

• Savings = 80m - 400

Which equation represents this graph? m = number of months

• Savings = -50m + 500

• Savings = -100m+ 500

• Savings = 500m - 80

• Savings = 50m - 500

Which statement is true about this graph?

• This function is always constant

• This function is always increasing

• This function is never increasing

• This function is both increasing and decreasing

(a)  

• F

• G

• H

• J

Slowly decreases at a CONSTANT rate

• C

• A

• F

• D

Slowly decreases at a CONSTANT rate

• C

• A

• F

• D

What is the rate of change (slope) for Jeremy savings?

• $100 per month

• -$100 per month

• $50 per month

• -$50 per month

If the pattern in the graph continues when will Jeremy have $0?

• Month 8

• Month 9

• Month 10

• Month 11