To solve given equations using two different methods.
Explanation of Solution
Given information :
Given equations,
- Graphing method.
- Using eliminating method.
Here we shall plot the graph for the given equations,
We get,
Green line represents the equation
Blueline represents the equation
Hence the solutions are (-1.5, -1.5) (-3, -3)
Given equations,
Subtracting both equations we get,
Hence the value of
Put the values of
(-3, -3) (-1.5, -1.5)
In the given equations substitution and elimination both are preferable method.
Chapter 9 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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