Basic Algebra / MA T 014 Final Exam Review

Basic Algebra / MA T 014
Final Exam Review
5c + 5d
I.
Remove parentheses and simplify.
2.
Simplify.
_6 2 + 7
3.
Simplify.
5
4.
Simplify.
-90 - (- 29) - 38
5.
Evaluate and simplify.
6.
Evaluate the polynomial for x = 6. 2x 2
7.
Solve.
8.
Solve.
-x
9. Solve.
x
7
10. Solve.
3
x
5
11.
Solve.
6x + 10
12.
Solve.
6x - 4
13.
Solve.
4y
6( 6c - 6d)
=
=
(-2 - 27) =
=
-9 + x
z+y
- - for z
6
17 -48
10 6
=
35 =
=
(- 52)
22 4x
2 = 33 - 3y
28 and y
-
3x + 6 = 2
14.
Solve.
4(3x - 2) = 52
15.
Solve.
3(3 + 3x) 5 == 49
16. Solve.
8x
(3x + 7)
17. Solve.
4(x
6)+8
18.
Solve.
3.4x - 3.44
19
Solve.
1
5
-x + x
8
16
20. Solve for j.
21. Solve for g.
= 23
6(x+2)
= 2.72 -
=
5
16
8
4.3x
+ x
D = jm
e
g+p
2
OA.
I
-7
1
·7
-6
·7
-6
'E
22. Solve, then graph.
x+7 > 2
Which of the answers is the graph ofthe solution set?
.,
.,
OB.
OC.
I
·7
23.
Solve, then graph. a+7 ~
11
Which of the answers is the graph of the solution set?
OR OC. 00.
I
-19
...-j
·20
-19
-20
tl
·20
·5
-4
·3
I
I
-19
,
-19
•
•
I
-17
I
-17
·18
·17
0
U
-4
·18
·18
·3
I
0
0
I"
-4
·5
·18
I"
,
0
-6
·20
fl ·3
-5
I
"'1
11
-4
,
00.
OA. 1(,
• ,
• ,
-5
I
I
·17
·3
,­
-16
,­
·16
I"
·16
,..
·16
24.
Solve.
2x + 8 s x + 7
25.
Solve.
-7x
26.
Solve.
Ilx ­ 13 <
27.
Solve.
38 > 6 - 8x
28.
Solve.
6(2x
3) < 18
29.
Solve.
2
Y + 7
s
30.
Graph the equation and identify the y intercept.
s
21
46
7
14
y
1
-x+5
2
6
31.
Determine the slope of the line shown at the right.
32.
Graph the line containing the given pair of points and find the slope.
-6 (-2, 5), (3, - 3)
33.
Find the slope and the y intercept of the line.
34. Graph the equation using the slope and y intercept.
35.
Simplify.
(2 p 8)2
y
5x -7
6y + 5x = 6
36.
Simplify.
37.
Add.
(9x 2
38.
Add.
(4X2 - xy + /) + (_X 2
39.
Subtract.
(9x + 4x 3
41.
Multiply. 9x( 6x 2
42.
Multiply. (x - 7)(x -
43.
Multiply. (8x - 2)( x +
5)
44.
Multiply. (2t - 9)(2t +
9)
45.
Multiply. (x + l2)2
46. Multiply.
(/ - 5)(8/
47.
Divide.
48.
Divide.
7x + 19) + (2X2 + 9x - 52)
4
-
2) -
4y +
8Ix? + 45x
9x
2
3)
3
-
(6x
9x + 8)
16x /
8x 6 y2
18x 9
txy + 8/)
-
4)
-
9x + 3)
9
32b 8 g
_ 8b 6 g 7 + 32b 3g 4
49.
Divide.
50.
Factor.
6X 6 y 4 + 42x 4 y 3 + 54xy
51.
Factor.
x (x +
52.
Factor by grouping.
x + 7x
53.
Factor by grouping.
3x 3
54.
Factor the trinomial.
t 2
+ lOt + 16 55.
Factor the trinomial.
r2 - 9r + 20 56.
Factor.
57.
Factor the trinomial.
58.
Factor.
5w 2
59..
Factor.
2r2 + llr + 5 60.
Factor.
3v 2
61.
Factor.
9b 2
62.
Factor.
3a 2 + 2a - 1
3
4b g
5
a 2
3)
3) + 2(x +
3
-
2
+ 7x + 49 3x 2
- X
+ 1
6a - 27
-
-
-
S3 -
19w - 4
5v
2
lOb + 1 2S2 - 63s
6 y2 + 20Y
16
63. Factor the trinomial.
64. Factor.
65. Factor completely.
49s 2
66. Factor completely.
25w2
67. Factor completely.
27c 2
68. Solve.
b 2 + 9b + 18
69. Solve.
v2
70. Solve.
81w2
71. Solve.
2w 2
72. The sum of the page numbers on the facing pages of a book is 85. What are the page numbers?
73. The perimeter of a basketball court is 84 meters and the length is 6 meters longer than twice the
width. What are the length and width?
74. A 220-inch pipe is cut into two pieces. One piece is three times the length of the other.
Find the lengths of the two pieces.
75. The perimeter of a rectangle is 496 ft. The length is 20 ft longer than the width. Find the
area of the rectangle.
20u 3 + 72u 2
-
25
5
140u
14sg + g2
p2
-
3
o
o
7v
-
-
=
=
0
9w
76.
Solve by any method.
77.
Solve by any method.
78.
Solve by any method.
79.
Solve by any method.
3x+2y
~x
+Y
3x+4y
=
=
=
11 3
4
x- y
13 3x - 4y
1
2x + 3y
12 2x + 3y
-1 3x
18 2y
Basic Algebra IFinal Exam Review Answers
l. 31c + 41d
2. 29
3. 34
4.
- 47
5. 5
6. 60
7. -8
8. 48
9. -70
2
10.
7
11. 2
12. 2
13. 5
14. 5
15. 5
16. 6
17. -10
18. 0.8
19.
20.
D
m
21. 2e-p
22. x > -5
D
23.
a :5
-18 C
24.
x :5 -1 25.
x
26.
x < -3
27.
x > -4
28.
x < 3
29.
Y
~
~
-
3
14
y
30.
(0,5)
31.
-3
5
32.
8
5
33.
slope - 5
y-intercept (0, - 7)
34.
35.
36.
37.
l1x2 + 2x - 33
38.
3x 2 - 8xy + 9y2
39.
9x 4 + 4x 3
40.
-108x 19
41.
54x 3
42.
x
43.
8x + 38x
44.
4t 2
45.
x + 24x + 144
2
-
-
2
81x 2 + 72x
lOx + 21
2
-
6x 2 + 9x
10
81
5
46. 47.
8/ - 4i
36/ + 20y ­
2
48. 2x 8
9x 6 + 5
49. 8b 5 g 8
50. 6xY(X 5 y 3 + 7x 3y2 +
51. (X5+ 2)(x+3)
52. (X2 + 7)(x + 7)
53. (3x 2 - I)(x -
54. (t
55. (r
56. (a
57. s(s + 7)(s -
58. (5w
+
1)( w - 4)
59. (2r
+
1)(r
60. (3v
+
1)( v
61. (9b
1)(b-l)
62. (3a
1)(a
+
1)
63. 2(3y - 2)(y
+
64. 4u(5u -
-
_
2b 3g 6 + 8g 3
+ 8)(t +
I)
2)
4)(r - 5)
+
9)
3)(a
+
9)
5)
2)
4)
7)(u +
5)
9)
20
65.
(7s_g)2 66.
(5w + p)(5w - p) 67.
3(3c + 1)( 3c - 1) 68.
-6, -3 69.
0, 7 70.
5
5
9 ' 9
1
71.
5, - ­ 2 72.
42 43 73.
12 30 74.
55 165 75.
15,276
76.
(I, 4)
77.
(8, - 5)
78.
(3, 2)
79.
(4,-3)