Question

Choose the word phrase that can be represented by 2 – p.

the difference of a number p and 2
the quotient of 2 and a number p
2 more than a number p
2 decreased by a number p


2. Which word phrase could represent the variable expression 1/2a + 4?


4 more than half Chris’s age
twice Chris's age
4 times Chris's age
half Chris's age times 4

3. Evaluate the expression 8p – 5, for p = 6.

8
43
48
81

4. A dog walker charges a $30 initial fee plus $5 per walk. Write an algebraic expression for the cost of w walks.
What is the cost of 52 walks?

5w + 30; $290
5w – 30; $260
30w + 5; $1,565
30w – 5; $1,555

5. Write a number to represent a debt of 36 dollars.

–36
36
–18
18

6. Write a number to represent a gain of five yards.

–5
5
4
10

7. Simplify: –|–27|

27
–|27|
|–27|
–27

Answer 1

How about you tell us what you think are the correct answers? Even better, show how you got them. Then we can help you fix the mistakes, if any.

For #7, recall that |x| is always positive.
So, |-27| = 27
Thus, -|-27| = -(27) = -27

Answer 2

Write an expression to represent:
Three minus the product of two and a number x.

Answer 3

Write an expression to represent:

Four more than the product of three and a number x.