Online Update 1/20/12 7th/8th grade Do your best….Ask questions….Use your time wisely 
.
Name the like terms in the list of terms 5, 7x2, and -11.
A.
C.
5, 7x2
5, -11
B.
D.
7x2, -11
There are no like terms.
Hint
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2. Use the Distributive Property to rewrite 7(x + 6).
A.
C.
7x + 42
7x + 13
B.
D.
x + 42
7x + 6
Hint
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3. Use the Distributive Property to rewrite 11(z - 3).
A.
C.
11z - 3
11z - 33
B.
D.
11z + 3
11z + 33
Hint
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4. Simplify -5 + 3d + 6 - 4d.
A.
C.
Hint
d
-d
B.
D.
1-d
d-1
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5. At a nature store, you buy three pieces of hematite rock for d dollars, two
pieces of tiger’s eye for $2.50 each, and a rose quartz for $3. Write an
expression in simplest form that represents the total amount.
3d + 5.5
A.
B.
3d + 11
C.
D.
6. Solve 4(c + 9) = 40.
3
1
A.
B.
2
0
C.
D.
Hint
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7.
Solve
+ 3 = 8.
14
A.
25
B.
35
C.
77
D.
Hint
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8.
Solve 2x + 17 = 21.
2
A.
38
B.
19
C.
8
D.
3d + 8
d+8
Hint
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9.
Solve 6 = 5r – 14.
40
100
A.
B.
4
5
C.
D.
Hint
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10. Solve -49 = 17c - 13 - 26c.
-4
-2
A.
B.
2
4
C.
11.
D.
Write an equation for ''twelve more than four times a number is 32''
and solve.
A.
C.
7
B.
5
D.
6
4
Hint
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12.
Translate the following sentence into an equation. The quotient of a
number and -2, less 10, is -18.
A.
- 18 = -10
B. 10 -
C.
= -18 - 10
D.
Hint
= -18
- 10 = -18
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13.
Translate the following sentence into an equation. Nine is the sum of 1
and two times a number.
A.
C.
9 = 1 + 2n
1 = 9 + 2n
B.
D.
9 = 1(2n)
9=2+n
Hint
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14.
Translate the following sentence into an equation. Then find the number.
Five times a number less than 18 is equal to 13.
A.
C.
5n - 18 = 13; 6
18 - 5n = 13; -1
B.
D.
18 - 5n = 13; 1
5n - 18 = 13; -6
Hint
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15.
Translate the following sentence into an equation. Then find the number.
Seven, added to two times a number, equals -3.
A.
C.
7 = -3 + 2n; -5
7 + 2n = -3; -5
B.
D.
7 = -3 + 2n; 5
7 + 2n = -3; 5
16. Solve 4x = 45 - 11x.
A.
C.
Hint
-3
3
B.
D.
-8.5
8.5
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17. Solve 7y + 48 = y.
A.
C.
-8
B.
-55
D.
8
55
Hint
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18.
Solve
A.
k=
k-
.
-2
C. -
B.
D.
2
Hint
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19
Solve 75 - 9h = -20 + 10h.
A.
C.
55
-55
B.
D.
5
-5
Hint
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20. Write an equation to find the value of x so that each pair of polygons has the
same perimeter. Then solve.
A.
C.
4x + 8 = 3x + 9; 1
B.
4x + 9 = 3x + 8; -1
D.
21. Find the area of the rectangle in number 20.
22. Find the area of the triangle in #20.
23.Graph the set x < 22 on a number line.
A.
B.
C.
D.
Hint
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24. Graph the solution
A.
B.
on a number line.
2x + 4 = 3x + 9; 5
4x + 8 = 3x + 9; 3
C.
D.
Hint
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25. Write an inequality for the following sentence: The speed limit is 55 miles
per hour.
s < 55
A.
s
55
B.
s
55
C.
s > 55
D.
Hint
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26. Write an inequality for the following sentence: The discount is good on any
purchase under $20.
d
20
A.
d
20
B.
d > 20
C.
d < 20
D.
Hint
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27. Find the value that makes 19 - u
-25 a true inequality.
62
A.
33
B.
49
C.
45
D.
28. Find the product of -6y2 and 8y5.
48y7
A.
-2y7
B.
-48y10
C.
-48y7
D.
Hint
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29. Find (-a)(-5a7).
5a7
A.
5a8
B.
-5a8
C.
-5a7
D.
Hint
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30. Find . 82 times 83
815
A.
12
B.
82
C.
85
D.