Download Chapter 4

Algebra 1-1
Final Review Part 2
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Due date________________
To be eligible for points, all problems must be complete. You must show all of your work.
Chapter 4
1.) Write the ordered pairs that correspond to the
points labeled A, B, C. and D in the coordinate plane.
2.) Plot and label the ordered pairs in the coordinate
plane: A(0, 3), B(-2, -1), C(2, 0)
C
A
B
D
Decide whether the given ordered pair is a solution of the equation:
3.) 2y – 4x = 8, (-2, 8)
4.) -5x – 8y = 15, (-3, 0)
Rewrite the equation in function form (solve for y):
5.) -3x + y = 12
6.) 2x + 3y = 6
7.) x + 4y = 48
8.) -x – y = 5
Algebra 1-1
Final Review Part 2
Find the x and y-intercepts of the line:
9.) y = 5x + 15
10.) x – 7y = 21
11.) 2x + 4y = 16
12.) -4x + 3y = 24
Find the slope:
13.) (2, 4), (4, -4)
14.) (2, 3), (-3, 0)
15.) (3, 6), (3, 0)
16.) (-6, 2), (4, -2)
Find the slope:
17.)
18.)
10
10
8
8
6
6
4
4
2
2
-10 -8 -6 -4 -2
2
4
6
8 10
-10 -8 -6 -4 -2
2
-2
-2
-4
-4
-6
-6
-8
-8
-10
-10
4
6
8
10
Algebra 1-1
Final Review Part 2
Find the slope:
19.)
20.)
10
10
8
8
6
6
4
4
2
2
-10 -8 -6 -4 -2
2
4
6
8 10
-10 -8 -6 -4 -2
2
-2
-2
-4
-4
-6
-6
-8
-8
-10
-10
4
6
21.) What is the slope of a horizontal line?
22.) What is the slope of a vertical line?
23.) Perpendicular lines have what kind of slope?
Give an example.
24.) Parallel lines have what kind of slope?
Find the slope and y-intercept of the graph of the equation:
25.) y = ½x + 3
26.) y = -2
27.) y – 9x = 0
28.) 3x + 4y = 16
8 10
Algebra 1-1
Final Review Part 2
Graph the equation:
29.) y = ¼x – 6
30.) x = 5
31.) 4x – y = 3
32.) x + y = 0
Chapter 5
Write an equation of the line in slope-intercept form from the given information:
33.) (1, 4), m = 3
35.) (1, 3), m = 4
34.) (2, -3), m = 2
36.) (-3, 2), m =
1
3
Algebra 1-1
Final Review Part 2
37.) (-2, 4), m = undefined
38.) x-intercept = 4, m = 3
39.) (3, -2), (-6, 4)
40.) (5, 3), (4, -3)
41.) (2, 0), (-2, 6)
42.) (-5, 2), (6, 1)
Write an equation in slope-intercept form of the line shown in the graph:
10
43.)
44.)
10
8
8
6
6
4
4
2
2
-10 -8 -6 -4 -2
2
4
6
8 10
-10 -8 -6 -4 -2
-2
2
4
6
8 10
-2
-4
-4
-6
-6
-8
-8
-10
-10
45.)
10
46.)
10
8
8
6
6
4
4
2
2
-10 -8 -6 -4 -2
2
4
6
8 10
-10 -8 -6 -4 -2
2
-2
-2
-4
-4
-6
-6
-8
-8
-10
-10
4
6
8 10
Algebra 1-1
Final Review Part 2
47.) Write the equation of the line that passes through
the point (-2, 4) and has an undefined slope.
48.) Write an equation of a line through (4, 5) that is
perpendicular to y = ½x + 3.
Write the equation in standard form with integer coefficients:
49.) y = -5x + 2
3
x
4
50.) y
5
4
Write an equation in standard form from the given information:
51.) (-8, 3), m = 2
52.) (10, 6), m = 7
53.) (-3, -3), (7, 2)
54.) (9, -2), (-3, 2)
Write an equation in slope-intercept form from the table of values:
55.)
56.)
x
-2
-1
0
1
2
y
7
5
3
1
-1
x
-2
-1
0
1
2
y
-14
-9
-4
1
6
Chapter 6
Solve the following inequalities:
57.) 6 3x
58.)
6 x 12
Algebra 1-1
Final Review Part 2
59.)
x
6
61.)
4x 3
63.)
4
65.)
2 x 7 15
8
21
2 x 10
60.)
4 5x 31
62.)
x 2 2( x 5)
64.) 5 4x 11 13
66.) 6x 9 21 or 9x 5 4
Solve the following equations or inequalities:
67.) x 8 10
68.) 2 x 5
7
69.) x 7
70.) 3x 9
6 18
71.) 4 x 5
11
6 1
72.) x 8 3 10
Algebra 1-1
Final Review Part 2
Graph the following linear inequalities:
73.) 4x 8
74.) 3x 4 y 12
Chapter 7
Decide whether the ordered pair is a solution to the system of linear equations:
6x 3 y
15
15 x 7 y 1
( 2,1)
75.)
76.)
2x y
3
3x y 1
Solve the system of linear equations by graphing:
x y 1
77.)
5x 4 y 0
78.)
x 3 y 12
x 6 y 12
(3,5)