Chapter 1 Review

Write an algebraic expression for 8 times the cube of a number.

• 8 + x³

• 8 - x³

• 8³

• 8x³

Evaluate 9 + 4 * 5 - 2

• 63

• 27

• 60

• 21

Evaluate 4(10 - 4) + 8  $\div$  4

• 26

• 8

• 32

• 4

Write a verbal expression for 5n + 5

• n to the fifth power plus 5

• five more than 5 times a number

• The product of 5, n, and 5

• a number plus 5

Evaluate  $x^2\ +\ xyz$  if x = 2, y = 4, and z = 3

• 72

• 40

• 28

• 33

Which equation illustrates the distributive property?

• $8\left(1\ +\ 5\right)\ =\ 8\left(1\right)\ +\ 8\left(5\right)$

• $0\ \cdot\ 5\ =\ 0$

• $4\ \cdot\ \frac{1}{4}\ =\ 1$

• $8\ +\ \left(-8\right)=\ 0$

Which equation illustrates the Multiplicative Inverse Property?

• $8\left(1\ +\ 5\right)\ =\ 8\left(1\right)\ +\ 8\left(5\right)$

• $0\ \cdot\ 5\ =\ 0$

• $4\ \cdot\ \frac{1}{4}\ =\ 1$

• $8\ +\ \left(-8\right)=\ 0$

Which equation illustrates the Inverse Property of Addition

• $8\left(1\ +\ 5\right)\ =\ 8\left(1\right)\ +\ 8\left(5\right)$

• $0\ \cdot\ 5\ =\ 0$

• $4\ \cdot\ \frac{1}{4}\ =\ 1$

• $8\ +\ \left(-8\right)=\ 0$

Evaluate $19\ \cdot\ 1\ +\ 3\left(10\ \div2\ -\ 3\right)$  

• 44

• 49

• 25

• 46

Simplify  $5\left(n\ +\ 2t\right)\ +\ 2\left(5n\ +\ t\ \right)$  

•  $27nt$  

•  $20nt$  

•  $20n\ +\ 10t$  

•  $15n\ +\ 12t$