elimination2

Front

What is the result of multiplying the equation 2x - 6y = 20 by -1?

Back

-2x + 6y = -20

Front

Solve the system of equations using elimination: 7x - 9y = 29 and 7x + 2y = -15.

Back

(-1, -4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Front

In the system of equations 5x - 4y = 11 and 5x + 4y = -14, which variable will be eliminated?

Back

y variable

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Front

Solve the system of equations: 4x + 8y = 20 and -4x + 2y = -30.

Back

(7, -1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Front

Solve the system by elimination: -7x + 6y = 29 and 10x + y = 16.

Back

(1, 6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Front

What is the elimination method in solving systems of equations?

Back

A method that involves adding or subtracting equations to eliminate one variable.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Front

What does it mean to 'eliminate' a variable in a system of equations?

Back

To remove one variable by combining equations so that it cancels out.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Front

What is the first step in the elimination method?

Back

Align the equations and make the coefficients of one variable the same.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Front

If you have the equations 3x + 2y = 12 and 6x + 4y = 24, what can you say about them?

Back

They are dependent equations; the second is a multiple of the first.

Tags

CCSS.8.EE.C.8B

Front

What is the solution to the system of equations 2x + 3y = 6 and 4x + 6y = 12?

Back

No unique solution; infinitely many solutions.

Tags

CCSS.8.EE.C.8B