Grade 8 Linear Functions Worksheet
This worksheet covers key concepts of linear functions for 8th grade, including identifying linear equations, calculating slope, and interpreting graphs.
Includes
Standards
Topics
Linear Functions Review
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Show all your work where applicable.
1. Which of the following equations represents a linear function?
y = x^2 + 5
y = 3x - 2
y = |x| + 1
y = 2/x
2. What is the slope of the line that passes through the points (2, 3) and (4, 7)?
1
2
3
4
3. The y-intercept is the point where the line crosses the axis.
4. The formula for the slope of a line is m = (y2 - y1) / ( - x1).
5. Explain in your own words what the slope of a line represents.
6. Graph the linear function y = 2x - 1 on the coordinate plane below.
7. A horizontal line has an undefined slope.
True
False
8. The equation of a vertical line is typically written as x = c, where c is a constant.
True
False
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