Unit 5 Assessment Review

Find the associated growth/decay factor.

0.3% increase

• 1.003

• 0.003

• 0.997

• 1.03

Tags

CCSS.HSF-IF.C.8B

Find the associated growth/decay factor.

30% increase

• 1.30

• 0.30

• 0.70

• 130

Tags

CCSS.HSF-IF.C.8B

Find the associated growth/decay factor.

30% decrease

• 1.30

• 0.30

• 0.70

• 130

Tags

CCSS.HSF-IF.C.8B

Find the associated growth/decay factor.

2% increase

• 1.02

• 0.02

• 0.98

• 0.20

Tags

CCSS.HSF-IF.C.8B

Find the associated growth/decay factor.

2% decrease

• 1.02

• 0.02

• 0.98

• 0.20

Tags

CCSS.HSF-IF.C.8B

Find the associated growth/decay factor.

0.3% decrease

• 1.003

• 0.003

• 0.997

• 1.03

Tags

CCSS.HSF-IF.C.8B

A credit card has a nominal annual interest rate of 18%, and interest is compounded monthly. The cardholder uses the card to make a $30 purchase.

Which expression represents the balance on the card after 5 years, in dollars, assuming no further charges or payments are made?

• 30 ( 1 + 18 ) ⁵

• 30 ( 1 + 0.18 ) ⁵

• 30 ( 1 + 0.18/12 ) ⁵

• 30 ( 1 + 0.18/12 ) ^{5 ⋅ 12}

A credit card has a nominal annual interest rate of 18%, and interest is compounded quarterly. The cardholder uses the card to make a $30 purchase.

Which expression represents the balance on the card after 5 years, in dollars, assuming no further charges or payments are made?

• 30 ( 1 + 18 ) ⁵

• 30 ( 1 + 0.18 ) ⁵

• 30 ( 1 + 0.18/4 ) ⁵

• 30 ( 1 + 0.18/4 ) ^{5 ⋅ 4}

A $200 phone is on sale. What expression represents the price of the phone?

SALE - The phone is 25% off.

• 200 (0.75)

• 200 (0.25)

• 200 (1.25)

• 200 (25)

Tags

CCSS.6.RP.A.3C

A $200 phone is on sale. What expression represents the price of the phone?

SALE - The phone is 40% off.

• 200 (0.60)

• 200 (0.40)

• 200 (1.40)

• 200 (1 - 40)

Tags

CCSS.6.RP.A.3C