Finding Rate of Change

Alice determined that the rate of change in the set of coordinate pairs below is  ½  but Amy disagreed with her and said that the rate of change is 2. Whose claim do you agree with? Justify your answer with complete evidence.

{(25,67), (34,85)}

• I agree with Alice; the rate of change is 1/2.

• I agree with Amy; the rate of change is 2.

• Both Amy and Alice are wrong. The rate of change is -2.

• Both Amy and Alice are wrong. The rate of change is -1/2.

Tags

CCSS.HSF-LE.A.1B

The graph below shows the volume of water as Gavin fills up the pool in his backyard. What is the rate of change and what does it represent in context?

• The volume of water increases 1/2mL every minute.

• Every 1/2 minute the volume of water increases 1mL.

• Every 2 minutes the volume of water increases 1mL.

• The volume of water increases 2mL every minute.

Tags

CCSS.HSF.IF.B.4

The height of a tree is measured every year, is shown. What is the rate of change in this scenario? Answer in a complete sentence.

• The rate of change is 5. Every tree the year increase by 5.

• The rate of change is 5. Every year the tree increase by 5ft.

• The rate of change is 1/5. Every tree the year increase by 1/5.

• The rate of change is 1/5. Every year the tree increase by 1/5ft.

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

What is the rate of change in the length of this bunny’s ears?

• The rate of change is 2. The bunny ears increases 2cm per year.

• The rate of change is 1/2. The bunny ears increases 1/2cm per year.

• The rate of change is -2. The bunny ears decreases -2cm per year.

• The rate of change is -1/2. The bunny ears decreases -1/2cm per year.

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

This slope is a _______ slope.

• negative

• positve

• zero

• undefined

Tags

CCSS.8.EE.B.5

This slope is a _______ slope.

• negative

• positve

• zero

• undefined

Tags

CCSS.8.EE.B.5

This slope is a _______ slope.

• negative

• positve

• zero

• undefined

Tags

CCSS.8.EE.B.5

This slope is a _______ slope.

• negative

• positve

• zero

• undefined

Tags

CCSS.8.EE.B.5

Find the rate of change.

• -2 minutes per gallon
• -20 minutes per gallon
• -2 gallons per minute
• -20 gallons per minute

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

What is the rate of change?

• $-\frac{15}{2}$

• $\frac{2}{15}$

• $-\frac{2}{15}$

• $\frac{15}{2}$

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6