Practice For Quiz 6
10 Questions
| Attempts: 140
Math practice quiz for 8th grade math.
Questions and Answers
- 1.
In order to find the slope of a line from a graph you need to locate at least _____ points on that line.
- A.
7
- B.
5
- C.
2
- D.
3
- E.
1
Correct Answer
C. 2Explanation
In order to find the slope of a straight line, you must have at least 2 points on that line in order to find the rise over run or the difference in the y's and difference in the x's.Rate this question:
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- 2.
When finding the slope using the slope formula, the difference in the x's is the numerator and the difference in the y's is the denominator.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Just as in rise over run, the y must be the numerator and the x must be the denominator.Rate this question:
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- 3.
Another word for rate of change is _________.
Correct Answer
slope
constant rate - 4.
A __________ is a letter used in place of an unknown number.
Correct Answer
variable - 5.
The ____________ measures the steepness of a line
- A.
Independent variable
- B.
Equation
- C.
X-intercept
- D.
Y-intercept
- E.
Slope
Correct Answer
E. Slope -
- 6.
The slope of a line CANNOT be thought of as which of the following:
- A.
Rate of change
- B.
Constant rate
- C.
Coefficient of x in an equation written in slope-intercept form
- D.
Intercept
Correct Answer
D. Intercept -
- 7.
The ___________ is the point where the graph of a line crosses the y-axis.
Correct Answer
y-intercept - 8.
A line passes through points (5, 7) and (3, 9). What is the slope of this line?
- A.
2
- B.
1/2
- C.
-2
- D.
-1
- E.
None of the above
Correct Answer
D. -1 -
- 9.
A line passes through points (2, 4) and (3, 6). What is the slope of this line?
- A.
0
- B.
1/2
- C.
-2
- D.
-1/2
- E.
None of these
Correct Answer
E. None of these -
- 10.
The number being multiplied by a variable is called the ____________.
Correct Answer
coefficient
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Current Version
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Mar 21, 2022Quiz Edited by
ProProfs Editorial Team -
Oct 05, 2009Quiz Created by
Barringtonriley
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