Which pattern follows the rule divide by 2?

A. 8, 6, 4, 2, . . .
B. 9, 7, 5, 3, . . .
C. 24, 12, 6, 3, . . .
D. 36, 18, 9, 3, . . .

2. What rule explains the pattern 14, 42, 126, 378, . . . ?

A. Multiply by 2.
B. Multiply by 3.
C. Add 18.
D. Add 28.

3. Which of the following is an expression?

A. 2 + x = 8
B. 4z – 3 = 15
C. a + b = 10
D. x + y

4. Which expression is equivalent to the expression g + g+ g + g + g ?

A. 5+g
B. 5-g
C. 5g
D. 5/g

5. In 3xy, what do you call x and y?

A. base
B. power
C. exponent
D. variable

6. In 5a + 2, which is variable?

A. 5 B. a C. + D. 2

7. Mei wrote the expression 4n ∙ 2. If n equals 6, what is the value of the
expression?
A. 48
B. 26
C. 20
D. 12