Concept explainers
To graph the equation then state the slope and y −intercept of line.
Answer to Problem 31PPS
Graph of the given equation:
The slope of the line is
Explanation of Solution
Given information: We have given linear equation
Solution: Isolate y in given equation 21=7y.
Switch sides
Plot a point (0,3) and draw a horizontal line at y=3.
We got a horizontal line for the given equation.
Slope for a horizontal line is always 0.
Also, line crosses y-axis at 3.
Therefore, y-intercept is 3.
Therefore, the slope of the line is
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Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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