Question

1.What is the value of the expression?

12+6*2
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18-3*5

2.What is the value of the expression when a = 6, b = 4, and c = 8?
2a
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3b-c

3.What is the value of the expression when a = 6 and b = 4?
14a- 2(3b + 4)


4.Which word phrases can be modeled by the expression?

4n + 5

Choose exactly two answers that are correct.

A.
five added to the quotient of 4 and a number

B.
the product of 4 and a number increased by 5

C.
four times the sum of a number and 5

D.
five more than the result of multiplying 4 by a number

5.Which variable expression represents the word phrase?

seven decreased by the sum of a number and four

A.
7 – (m + 4)

B.
(m + 4) – 7

C.
7 – (m – 4)

D.
7 – m + 4

Answer 1

The answer is d

Explanation:

Answer 2

1. Answer=8
(12+6*2)/(8-3*5)=(12+12)/(18-15)=(24)/(3)=8

2.Answer=3
(2*6)/(3*4-8)=12/(12-8)=12/4=3

3.Answer=52
14*6-2(3*4+4)=84-2(12+4)=84-2(16)=84-32=52

4.Answer=A&B

5.Answer=A