Chapter 1 Quiz

What expression represents the sum of 7 and a number?

• x + 7

• x - 7

• 7n

• n/7

Which expression represents the quotient of a number and 10?

• n + 10

• n - 10

• 10n

• n/10

Which expression represents 5 less than the product of 6 and a number?

• 5 - 6n

• 5 + 6n

• 6n - 5

• 6n + 5

Which word phrase represents 6n?

• the sum of 6 and a number

• the difference of 6 and a number

• the product of 6 and a number

• the quotient of 6 and a number

Which word phrase represents 15 - n?

• the sum of 15 and a number

• the difference of 15 and a number

• the product of 15 and a number

• the quotient of 15 and a number

Which word phrase represents 3n + 2?

• 2 more than 3 times a number

• 2 less than 3 times a number

• 3 more than 2 times a number

• 3 less than 2 times a number

Simplify:  $22\ +\ \left(3^2\ +\ 4^2\right)$ 

Simplify: 

 $-10\ -\ \left(-2\right)\ +\ \left(-4\right)^3$  

Simplify:  $\sqrt{625}$  

Simplify:  $\left(3^2\ -\ 9\right)^2$