Concept explainers
To determine whether the graph of lines
Answer to Problem 4.10EP
The lines are perpendicular.
Explanation of Solution
Given information:
The lines are
Calculation:
Slope intercept form: The graph of the equation
Rewrite equation L2 into slope intercept form
Using slope intercept form to find slope of L1 Slope of L1:
Using slope intercept form to find slope of L2
Slope of L2:
Product of slopes
On solving,
When the product of the slope of two lines is -1.
Then, lines will be perpendicular.
Here, the product of slope of L1 and L2 is -1.
Hence, the lines are perpendicular.
Chapter SH Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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