Algebra Chapter 5: Systems of Equations
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Questions and Answers

Which method would you use to solve a system of equations if you want to eliminate one variable by adding or subtracting the equations?

  • Equalization
  • Elimination by addition/subtraction (correct)
  • Graphical method
  • Substitution

    • If you were solving the equations 7$x$ + 10$y$ = 14 and −2$y$ = 10, what value of $x$ do you compute using elimination?

  • $2$
  • $5$
  • $1$
  • $3$ (correct)

    • In the verification of the found values $x = 3$ and $y = -3.5$, what is the result of the calculation 7(3) + 10(−3.5)?

  • $0$
  • $14$
  • $-14$ (correct)
  • $21$

    • Which method is NOT listed among the techniques for solving systems of equations?

    <p>Inversion Method</p> Signup and view all the answers

    What is the result of $10y = -35$ when you solve for $y$?

    <p>$-3.5$</p> Signup and view all the answers

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