CA 2 Review

CA 2 Review

Multiple Choice

How much is $1,250 worth at the end of 36 months, if the interest rate of 6.5% is compounded annually?

• $1,333.89

• $1,182.26

• $1,509.94

• $1,209.33

Multiple Choice

Ms. Alexis is trying to decide whether to take out a loan at bank A for $1000, for 18 months, at 5.5% simple interest, or at bank B for $1000 for 18 months, at 5.5% compound interest. What is the difference in the amount she will owe?

• $82.5

• $1083.62

• $83.62

• $1.12

Compound and Simple Interest Review

Remember

Principal: Original Amount

Rate: Percentage Rate (Must convert to a decimal)

Time: Must be in years

Formulas for Compound and Simple Interest can be found on the formula chart.

**Simple interest formula solves for interest. If you need the account balance you have to add the interest and principal.

**Compound Interest formula solves for the account balance. If you need the interest you have to subtract the balance and the principal.

Multiple Choice

Which of the following is a function?

Multiple Choice

Which ordered pair could you add to the following list of points to create a function? (3, 5) (4, 9) (2, 5)

• (3, 7)

• (4, 1)

• (1, 9)

• (2, 6)

Functions Review

There is only one input (x) for each output(y)

Your X Value can not repeat

Use the vertical line test on graphs

Multiple Choice

Which table matches the value of 3 more than the quotient of negative two thirds times x?

-2/3X+3

Multiple Choice

What is the unit rate and what does it tell us?

• 60: 60 miles/1 hour

• 120: 120 miles/ 2 hours

• 1: 1 mile/ 1 hour

Multiple Choice

In a direct variation, y=39 when x=3.  Find the value of y when x=2.

• 26
• 3
• 58.5
• 2