Thursday
August 21, 2014

Homework Help: Algebra 1

Posted by Ashley on Sunday, January 10, 2010 at 6:44pm.

1. Unable to type equation

2. One day when Terry went to school the temperature outside was −15 degrees Fahrenheit. In Terry’s classroom the temperature was 68 degrees Fahrenheit. How many more degrees was it inside the building than outside?

A. +53 degrees
B. −53 degrees
C. +83 degrees
D. −83 degrees

3. Simplify (2x + 3)(x − 4) = ?

A. 2x 2 + 5x − 12
B. 2x2 − 5x − 12
C. 2x2 − 5x + 12
D. 2x2 + 5x + 12

4. 7 x (−3) x(−2)2 = ?

A. 48
B. −48
C. 84
D. −84

5. Simplify (3a4 − 2a2 + 5a − 10) − (2a4 + 4a2 + 5a − 2).

A. 5a 4 + 4a 3 + 3a 2 + 10a − 12
B. a 4 − 4a 3 − 2a 2 − 8
C. a 4 − 6a 2 − 8
D. a 4 + 2a 2 + 10a − 12

6. If Janice purchased three 24-ounce cans of motor oil for $10.80, how much did she pay per ounce?

A. $.45
B. $.15
C. $2.59
D. $3.60

7. (5 + 4 − 2) x( −2) = ?

A. 22
B. −22
C. 14
D. −14

8. Simplify (2e − 2f )(2f + 8) = ?

A. 4ef − 4f 2
B. 4ef + 16e + 4f 2 + 16f
C. 4ef + 16e − 4f 2 − 16f
D. 4ef − 16e − 4f 2 − 16f

9. The expression 12xyz − 45 is a

A. monomial.
B. binomial.
C. trinomial.
D. constant.

10. What is the result if you divide −12x8y8 by 3x4y2?

A. −4x 2 y 4
B. 4x 2y 4
C. −4x4y6
D. 4x4y6

11. Simplify (x2 + 16)(x 2 − 16) = ?

A. x4 − 32
B. x4 + 32
C. x 4 − 256
D. x 4 + 256

12. Simplify (15x2 − 24x + 9)divided by (3x − 3) = ?

A. 5x + 3
B. 5x − 3
C. 5x + 13 with a −30 remainder
D. 5x − 13 with a −30 remainder

13. If the value of b is 7, then what is the value of the expression −3b 2 + 25 = ?

A. 172
B. 122
C. −122
D. 17

14. Simplify (−8q 3r 4s2)2 = ?

A. 64q9r16s 4
B. −64q9r16s4
C. −64q6r 8s4
D. 64q6r 8s4

15. Simplify 12 − (−8) x 4 = ?

A. 16
B. 44
C. −20
D. 80

16. Simplify 2a2b3(4a2 + 3ab2 − ab)= ?

A. 8a 4b 5 + 3a 3b 5 − 2a 3b 4
B. 8a 4b 3 + 6a 3b 5 − 2a 3b 4
C. 8a 4b 3 + 6a 3b 5 + 2a 3b 4
D. 8a 4b 5 + 3a 3b 5 + 2a 3b 4

17. Simplify (3n − 2m)2 = ?
A. 6n2 − 12mn − 4m2
B. 9n2 − 12mn − 4m2
C. 9n2 + 12mn + 4m2
D. 9n2 − 12mn + 4m2

18. Simplify (3 x 22) divided by 6 + [28 − (4)2] = ?

A. 32
B. 46
C. 23
D. 55

19. What is the result of dividing 48a3 + 32a2 + 16a by 4a ?

A. 12a + 8
B. 12a2 + 4a + 4
C. 12a2 + 4a + 8
D. 12a2 + 8a + 4

20. You can calculate the interest on a savings account by using this formula:
Interest = Principal  Rate  Time
If Mary deposits $275 in principal at an interest rate of 3.2 percent, how much interest will she earn
in one year?

A. $8.80
B. $88
C. $880
D. $18.80

My answers are:

2-D
3-C
4-A
5-A
6-B
7-C
8-B
9-B
10-D
11-D
12-A
13-D
14-C
15-C
16-D
17-B
18-A
19-no clue
20-A

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