Linear Equations
Grade 7•45 minutes
Learning Objective
I can graph linear equations on a coordinate plane using a table of values.
Practice Questions
This lesson includes 7 practice questions to reinforce learning.
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1. Explain in your own words why it is sometimes necessary to multiply both equations in a system of equations by a constant before using elimination.
2. When using elimination, how do you decide whether to add or subtract the equations after you've made the coefficients of one variable the same?
3. In the system of equations: 2x + 3y = 7 5x - y = 9 What numbers would you multiply each equation by to eliminate the 'y' variable?
...and 4 more questions
Educational Video
How do we solve a system of linear equations using any method
Brian McLogan