# Math Help

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

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3. 👁 120
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

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

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3. Write an expression to represent:

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

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posted by Joe

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