Solving Systems by Elimination Practice Test

Solve linear systems by adding or subtracting scaled equations.

Solving Systems by Elimination Practice Test

This test has 20 questions

About This Solving Systems by Elimination Practice Test

This practice test develops reliable elimination skills with varied coefficients and positive and negative solutions.

Opposite coefficients, equation scaling, elimination arithmetic, back-substitution, and ordered-pair verification.

Skills Covered

Opposite coefficients, equation scaling, elimination arithmetic, back-substitution, and ordered-pair verification.

Key Ideas

  1. Choose a variable whose coefficients are easiest to cancel.
  2. Multiply every term of an equation by the same number.
  3. Add or subtract equations carefully.
  4. Check the final ordered pair in both equations.

Common Mistakes to Avoid

A frequent error is multiplying only one term or losing a negative sign when equations are added or subtracted.

Practice Format

Each question has four answer choices. The explanation shows the method, completes the work, states the conclusion, and explains why every distractor is incorrect.