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Slope
Test Description: Finding slope on proportional and non-proportional graphs
Instructions: Answer all questions to get your test result.
1) Which statement below is not true about the line of the equation y = -3x?
A
It is a straight line.
B
The y-intercept of the line is 0.
C
The line will have a negative slope.
D
The slope of the line is 3.
2) Which formula below will always graph a line with a constant rate of change?
A
y = mx + b
B
y2-y1/x2-x1
C
k = y/x
D
y = kx
3) What is the value of m in the equation: y = -1/2x - 7
A
-1/2
B
1/2
C
+7
D
-7
4) On the line for equation y = -4x , what is the y-intercept?
A
4
B
There isn't enough information provided.
C
-4
D
0
5) Which answer below does not mean slope?
A
b
B
m
C
slant
D
k
6) For the line of the equation y = -5x + 3, the line will intercept the y-axis on _______.
A
5
B
-5
C
-3
D
3
7) If you plug in -8 for x in the equation y = -2x - 8, what would be the value of y?
A
-8
B
24
C
8
D
-24
8) If you plug in -10 for x in the equation y = 1/2x + 7, what would be the value of y?
A
2
B
-12
C
-2
D
12
9) If you plug in 2/3 for x in the equation y = 6x - 10, what would be the value of y?
A
6
B
-14
C
14
D
-6
10) If you plug in -1/4 for x in the equation y = -12x - 15, what would be the value of y?
A
18
B
-18
C
12
D
-12
11) If the slope of a line is 10/3, that means __________.
A
That the line has a negative slope.
B
That the line will go straight through 0.
C
You would run 10 and rise 3 from one exact point on a line to another direct point on line.
D
You would rise 10 and run 3 from one exact point on a line to another direct point on line.
12) If you plug in -1/3 for x in the equation y = -12x - 15, what would be the value of y?
A
11
B
19
C
-19
D
-11
13) If given the equation y = -1/2x - 8, you know that the graphed line will cross the y-axis on _______.
A
1/2
B
8
C
-8
D
-1/2
14) In the equation y = mx + b, the b stands for ________________.
A
The input value of the equation.
B
The point on the graphed line where it crosses the y-axis.
C
The output value of the equation.
D
The slant of the line.
15) In the equation y = mx + b, the m stands for ________________.
A
The input value of the equation.
B
The slant of the line.
C
The output value of the equation.
D
The point on the graphed line where it crosses the y-axis.
16) Will the equation y = -3x + 4 provide you with a proportional line?
A
Yes, because it has a negative slope.
B
No, because the line will cross the y-axis at 4.
C
No, because it has a negative slope.
D
Yes, because the line will cross the y-axis at 4.
17) Which answer below is NOT true of the equation y = -3/4x
A
It has a y-intercept of 0.
B
It is not a proportional line.
C
It has a negative slope.
D
The graphed line will be slanted up-left.
18) What is wrong with equation y = 4x + 0?
A
When the slope is positive, the value of b has to be an odd whole number.
B
When the value of b is 0, the slope has to be negative.
C
If the value of b is 0, it isn't a proportional slope.
D
Since the value of b is 0, you don't need to put it.
19) If you plug in -5/6 for x in the equation y = -12x - 15, what would be the value of y?
A
25
B
-5
C
25
D
5
20) If you plug in 3/5 for x in the equation y = 15x - 9, what would be the value of y?
A
0
B
-5
C
-15
D
-18
*select an answer for all questions
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