Rate of Change and Initial Value from a Graph

What is the rate of change in the equation?
y=8x+6

• 8
• 6

Find the rate of change

• 1
• 2
• 11
• Not a constant slope/Non-Linear

What is the rate of change for the following graph?

• 80
• 20
• 40
• 160

What is the initial value?

• -3
• 0
• 3
• 20

What is the initial value?

• 1
• 2
• 9
• 11

What is the initial value in this equation?
y=8x+6

• 8
• 6

Tim bought a new phone.  He paid $125 on the day of purchase, then $50 per month until it was paid off. What is the initial value in this situation?

• 50
• 125

The table shows the cost of long distance calls based on the number of minutes used. Is there a constant rate of change, and if so what is it?

• Yes, 10 calls per minute
• Yes, $.10 per minute
• Yes, $.40 per minute
• Not a constant rate

Which company shows a greater rate of change?

• Water's Edge Rafts
• Ryan's Rafts

• Taylor can write 6 words per minute
• Taylor can write 25 words per minute
• Taylor can write 50 words per minute
• Taylor can write 150 words per minute