Systems of linear equations SAT practice questions
Math, Algebra. 365 questions
Solve two linear equations together, and decide when a system has one solution, no solution or infinitely many.
What this skill tests
- Substitution and elimination
- Number of solutions of a system
- Systems built from word problems
How to approach it
- 1Graph both equations in Desmos and click the intersection.
- 2Parallel lines (same slope, different intercept) mean no solution.
- 3Identical lines mean infinitely many solutions.
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