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Algebra Skillz 6
Solve the System by Graphing:
! π¦ = 2π₯ + 3 π¦ = β3π₯ β 2
! 2π₯ + 7π¦ = 14 5π₯ + 7π¦ = β7
Solve the System with Substitution:
! π¦ = β6π₯ + 7 3π₯ + π¦ = β2
! 3π₯ + π¦ = β19 π₯ β π¦ = β7
Solve the System with Elimination:
! 4π₯ + π¦ = 17 7π¦ = 4π₯ β 9
! 8π₯ + 3π¦ = β9 β8π₯ + π¦ = 29
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Determining the Number of Solutions π¦ = 5π₯ + 10 π¦ = 5π₯ β 2
15π₯ β 3π¦ = 12π¦ = 5π₯ β 4
β12π₯ + 3π¦ = 18 4π₯ + π¦ = β6
Graphing Systems of Inequalities: π¦ < 2π₯ + 2 π¦ β₯ β π₯ β 1
π¦ < 3 π₯ > β1
π¦ > 3π₯ β 3