Unit 6 Mixed Review

Front

What is the value of -4x^0?

Back

-4

Front

Simplify \( \frac{8}{\sqrt{5}} \)

Back

\( \frac{8\sqrt{5}}{5} \)

Front

What does a_1 represent in a sequence?

Back

First term

Front

What is the formula for compound interest?

Back

A = P(1 + \frac{r}{n})^{nt} where A is the amount, P is the principal, r is the rate, n is the number of times interest is compounded per year, and t is the time in years.

Front

If the principal is $5000, interest rate is 3.75%, and time is 25 years compounded monthly, what is the future account balance?

Back

$12,749.30

Front

What is the square root of 25?

Back

5

Front

What is the value of \( x \) if \( 2x + 3 = 11 \)?

Back

4

Front

What is the formula for the area of a circle?

Back

A = \pi r^2 where r is the radius.

Front

What is the value of \( 3^2 + 4^2 \)?

Back

25

Front

What is the definition of a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.