#6-1: ROC and Initial Value

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

• 8
• 6

Tags

CCSS.HSF-LE.A.1B

What is the initial value?

• -3
• 0
• 3
• 20

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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

Tags

CCSS.HSF.LE.B.5

A climber is on a hike. After 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet. What is the rate of change?

• 75 feet per hour

• 75 hours per feet

• -75 feet per hour

• -75 hours per feet

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

A scuba diver is 30 feet below the surface of the water 10 seconds after he entered the water and 100 feet below the surface after 40 seconds. What is the scuba divers rate of change?

• -2.33 feet per second

• -0.43 feet per second

• 2.33 feet per second

• 0.43 feet per second

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Identify the rate of change from the following function;

c = 15h + 50

• 65

• 50

• 35

• 15

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Pam's Bakery offers the following deals: Deal #1: $11.99 for an apple pie and $6 for each additional pies on the same order. How much would a customer have to pay for 10 pies?

• $119.00

• $71.99

• $63.99

• $65.99

Is rate of change the same as slope?

• Yes

• No

Tags

CCSS.HSF-LE.A.1B

What is another name for initial value?

• y=mx+b

• slope

• rate of change

• y-intercept

Tags

CCSS.8.EE.B.5

What is the initial value?

• 0
• 2
• 2.6
• 5.2

Tags

CCSS.8.EE.B.5