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
Chapter 3 Solutions
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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