Dec.18 HAM Solving Systems of Equations by elimination

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What does it mean if a system of linear equations has infinitely many solutions?

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The two lines are identical lines.

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CCSS.8.EE.C.8A

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Back

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CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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What does it indicate if a scatterplot has no correlation?

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Its ordered pairs have no predictable pattern.

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CCSS.HSF-LE.A.1B

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What is the solution to the equation -6x + 4y = 12 when y = 6?

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The solution is (2, 6).

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What is the solution to the system of equations given in the problem?

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The solution is (-2, 10).

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CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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What are the characteristics of parallel lines in a system of equations?

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Parallel lines have no solutions as they never intersect.

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CCSS.8.EE.C.8A

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What is the elimination method in solving systems of equations?

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The elimination method involves adding or subtracting equations to eliminate one variable.

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CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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What does it mean if two lines intersect at a single point in a system of equations?

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It means there is one unique solution to the system.

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CCSS.8.EE.C.8A

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How can you determine if a system of equations has no solution?

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If the lines are parallel, the system has no solution.

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CCSS.8.EE.C.8A

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What is the first step in using the elimination method?

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Align the equations so that corresponding variables are in the same column.

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CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6