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Unit 3 Mid Chapter Review
Test Description: Answer the multiple choice queations
Instructions: Answer all questions to get your test result.
1) State the slope and the y-intercept for the graph of each equation: y = 4x + 1
A
m = 4; b= 1
B
m = -1; b= 4
C
m = -4; b= 1
D
m = 1; b= 4
2) State the slope and the y-intercept for the graph of each equation: y = -3x + 5
A
m = 3; b= 5
B
m = 5; b= -3
C
m = 3; b= -5
D
m = -3; b= 5
3) State the slope and the y-intercept for the graph of each equation: y = x - 2
A
m = 0; b= -2
B
m = 1; b= 2
C
m = 0; b= 2
D
m = 1; b= -2
4) Find the slope of the line that passes through the points A(–2, –4), B(2, 4)
A
2
B
1
C
-2
D
1/2
5) Find the slope of the line that passes through the points E(3, 4), F(4, –2)
A
6
B
2
C
-1
D
-6
6) Graph 1: What is the slope of the line
A
-2/5
B
2/5
C
5/2
D
-5/2
7) Graph 2: What is the y-intercept of the line
A
0
B
1
C
-2
D
-1
8) Graph 2: What is the slope of the line
A
2
B
1
C
-1
D
1/2
9) Graph 3: What is the slope
A
2/6
B
6/2
C
2/5
D
5/2
10) Table 1: Determine whether the relationship between the two quantities described in the table is linear. If so, find the constant rate of change.
A
-7/2
B
2/7
C
7/2
D
not linear
11) Table 2: Determine whether the relationship between the two quantities described in the table is linear. If so, find the constant rate of change.
A
21.8
B
25.2
C
-21.8
D
not linear
12) Graph 4: Write an equation from the graph. Simplify
A
y = 2/3x + 1
B
y = 3x - 1
C
y = 6/4x + 1
D
y = 3x + 2
13) Graph 5: Write an equation from the graph. Simplify
A
y = -3x + 2
B
y = 2x - 3
C
y = 3x + 2
D
y = 3x - 2
14) Geneva is saving for a new dress. She already has $20 saved and intends to save $7 each week. The equation for the amount of money y she has saved is y = 7x + 20, where x is the number of weeks. What do the slope and y-intercept represent?
A
slope: her savings each week; y-intercept: the amount already saved
B
I don't know
C
I don't know
D
y-intercept her savings each week; slope: the amount already saved
15) Homer is saving for a harmonica. He already has $15 saved and intends to save $4 each week. The equation for the amount of money y he has saved is y = 4x + 15, where x is the number of weeks. What do the slope and y-intercept represent?
A
slope: amount he saves each week; y-intercept: the amount already saved
B
y-intercept: amount he saves each week; slope: the amount already saved
C
I don't know
D
I don't know
16) What is the equation, in slope-intercept form, of the line that passes through (0,-4) and has a slope of 6?
A
y = 6x - 4
B
y = 4x - 6
C
y = 4x + 6
D
y = 6x +4
*select an answer for all questions
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