Graphing Lines by Slope-Intercept
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More Lessons for Grade 7
Math Worksheets
Videos, worksheets, and solutions to help Grade 7 students learn how to graph lines using the slope-intercept method.
The Slope-Intercept Equation
The equation y = mx + b is called the slope-intercept form of a line.
The equation represents a line where m = slope and b = y-intercept (0, b)
The following diagrams show how to graph a line using the slope-intercept method. Scroll down the page for more examples and solutions.
How to graph a linear equation given in slope intercept form?
Examples:
Identify the slope and y-intercept. Graph.
a) y = -2/3 x + 1
b) y = 5x - 2
c) y = x
d) 3x - 2y = 8
How to graph a line in slope intercept form with a negative fractional slope and a negative y-intercept?
Example:
Graph using slope-intercept form
y = -2/3 x - 5
How to graph a line in slope intercept form with a negative integer slope and a positive integer y-intercept?
Example:
Graph using slope-intercept form
y = -2x + 5
How to graph a line in slope intercept form with a positive integer slope and a negative y-intercept?
Example:
Graph using slope-intercept form
y = 3x - 2
You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
More Lessons for Grade 7
Math Worksheets
Videos, worksheets, and solutions to help Grade 7 students learn how to graph lines using the slope-intercept method.
The Slope-Intercept Equation
The equation y = mx + b is called the slope-intercept form of a line.
The equation represents a line where m = slope and b = y-intercept (0, b)
The following diagrams show how to graph a line using the slope-intercept method. Scroll down the page for more examples and solutions.
Examples:
Identify the slope and y-intercept. Graph.
a) y = -2/3 x + 1
b) y = 5x - 2
c) y = x
d) 3x - 2y = 8
How to graph a line in slope intercept form with a negative fractional slope and a negative y-intercept?
Example:
Graph using slope-intercept form
y = -2/3 x - 5
How to graph a line in slope intercept form with a negative integer slope and a positive integer y-intercept?
Example:
Graph using slope-intercept form
y = -2x + 5
How to graph a line in slope intercept form with a positive integer slope and a negative y-intercept?
Example:
Graph using slope-intercept form
y = 3x - 2
Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.
You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
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