A-REI.C.9 — Practice Problems

High School A-REI Covered
Solve systems of equations

Find the inverse of a matrix if it exists and use it to solve systems of linear equations (using technology for matrices of dimension 3 x 3 or greater).

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Sample A-REI.C.9 problems

5 problem types align to this standard. Every worksheet is a fresh set with complete step-by-step solutions.

Sample practice problems for Common Core A-REI.C.9

Other High School standards with practice

  • A-SSE.A.1 Interpret the structure of expressions
  • A-SSE.A.2 Interpret the structure of expressions
  • A-SSE.B.3 Write expressions in equivalent forms to solve problems
  • A-SSE.B.4 Write expressions in equivalent forms to solve problems
  • A-APR.A.1 Perform arithmetic operations on polynomials
  • A-APR.B.2 Understand the relationship between zeros and factors of polynomials
  • A-APR.B.3 Understand the relationship between zeros and factors of polynomials
  • A-APR.C.4 Use polynomial identities to solve problems
  • A-APR.C.5 Use polynomial identities to solve problems