Download (G7)Homework Packet #14

(G7)Homework Packet #14
Multiple Choice
Bubble the answers for 26-45 on the scantron [blue side, 2nd column].
____ 26. What is the value of x3 + 6, if x =2?
1)
14
2)
16
3)
4)
31
35
____ 27. If 4x + 5 = 21, then x =?
1)
2
2)
3
3)
4)
4
6
____ 28. Evaluate the following expression: 2 + 42 ÷ (9 - 1)
1)
2
3)
2)
3
4)
4
5
____ 29. In the following expression, which operation should be performed first?
6 + 15 ÷ 3 * 4 - 2
1)
+
3)
2)
4)
*
÷
____ 30. In the following equation, which value of a makes the equation true?
4a + 2 = 5a
1)
1
3)
2)
2
4)
9
20
____ 31. Which expression is equal to : 3(5 - 2)
1)
3x5 - 3x2
2)
3x5 - 2
3)
4)
3+5-2+3
3-5-2
____ 32. Which of the following equals 103?
1)
100
2)
10,000
3)
4)
1,000
100,000
____ 33. Which expression has the same value as 21(16 + 73)
1)
21 * 16 + 73
3)
2)
(21 * 16) + (21 * 73) 4)
21 +(16 * 73)
(21 * 21) + (16 * 73)
____ 34. What is the value of x?
1)
2)
x = 24.25
x = -2
21 + 4x = 13
x = 73
x = 34
3)
4)
____ 35. What is the value of 4x + 12 - y if x = 5 and y = 10?
1)
16
3)
47
2)
32
4)
22
____ 36. Pens cost x cents each. Write an algebraic expression to represent the cost of
1)
xy
3)
y+y+x
2)
x+y
4)
y-x
y pens.
Find the absolute value.
____ 37. the absolute value of 8
1)
8
2)
–8
3)
-1/8
4)
1/8
____ 38. the absolute value of -1
1)
0
2)
–1
3)
1
4)
1/2
Solve the equation.
____ 39. x + 11 = –12
1)
1
2)
23
3)
–23
4)
–1
____ 40. –4 + x = 9
1)
–5
2)
13
3)
5
4)
–13
____ 41. m + 45 = 32
1)
13
2)
–13
3)
77
4)
____ 42. 6x + 7 = 67
1)
12
2)
10
3)
13
4)
–77
6
____43. Try the numbers 4, 5, 6, 7 in the equation 3p + 9 = 27 to test whether any of
a solution.
1)
4 is a solution.
3)
5 is a solution.
2)
6 is a solution.
4)
7 is a solution.
____ 44. Solve for m.
1)
2)
____ 45. Solve for n.
1)
2)
m – 11 = 17
29
6
23 + n = 29
51
7
3)
4)
28
5
3)
4)
6
52
Short Answer: Write the question and show work or explain the answer on looseleaf.
Find the product.
them is
46. 12 x (-4) x (-5)
Simplify the expression.
47. -16 + 20 / (-5) + 8
Compare. Use <, =, or >.
48. 5 + (–4) ____ –14 + (–7)
49. Evaluate.
–1 – (–5) – (–3)
Tell whether the sentence is true or false.
If it is false, make it true by replacing the equal sign with < or >.
50. 8 + 19 = 5 + 4^2 + 8