To solve inequality and graph its solution.
Answer to Problem 5.13STP
Solution set: {(0,0) , (-1,-1) , (2,-2)}
Explanation of Solution
Given information:
Inequality is
Calculation:
Write in slope intercept form
1)
Ordinary line
2)
Y-intercept: (0,2)
Substituting x=-2in equation (2)
Then, y=0
Substituting x=0 in equation (2)
Then, 2=2
Table of x and y is given below
x | y |
-2 | 0 |
0 | 2 |
The graph of ordinary equation
Finding region
Point (-2,2) is above line
Substituting value of point (-2,2) in inequality equation (1)
On solving,
2>0 is true
Then region is above line
The graph of inequality is given below
Chapter ISG Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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