Which of the following is an expression?
A. x + y = 20 C. 2(m + 8) = 24
B. 6n − 7 D. a
2 + b
2 = 40

2. Which of the following is an equation?
A. 2n + 8 C. 11 − a = 5
B. x
2 + 7 − n D. 5 (x + y)

3. Which expression is represented by the statement “the ratio of three and twice x”?
A. 3 + 2x C. 3x
2

B. 3
2x

D. 2x
3

4. What is the correct algebraic equation of “thirty decreased by twice a number is four”?
A. 30 − 2n = 4 C. 30 + 2n = 4
B. 30x2n = 4 D. 30 ÷ 2n = 4
5. What is the correct mathematical phrase for 9z − 5?
A. five less than a number z C. five less than the product of nine
B. the product of nine and five D. the product of 9 and z decreased by 5
6. What is the correct mathematical sentence for 3x − 7 = 2?
A. Seven less than twice a number is 2.
B. Seven added to a number is equal to 2.
C. Thrice a number minus seven equals 2.
D. Thrice a number plus seven equals 2.
7. In 12n + 3 = 4, what is the variable?
A. 12 C. 3
B. n D. 4
8. In the expression 4b + 2a, what do you call a and b?
A. constant C. term
B. coefficient D. variable
9. Which expression represents the statement “6 less than n pencils?
A. 6n B. n+6 C. 6
n

D. n-6

10. Kate has s cookies. She gave u cookies to her sister and v cookies to her brother.
How many cookies were left? What expression matches the situation?
A. s − u − v B. s + u + v C. s + u = v D. s = u + v

Nonsense Answer Will Be REPORTED