IXL | Checkpoint: Systems of equations | 8th grade math

Which of these systems of equations have a solution of (6, -2)? Select all that apply.

2

x

+

5

y

=

2

–

2

x

+

3

y

=

–

18

x

+

2

y

=

2

x

–

3

y

=

12

y

=

2

3

x

–

6

3

x

+

10

y

=

–

2

y

=

x

+

8

y

=

2

x

–

14

y

=

1

2

x

–

5

x

–

y

=

4

y

=

–

x

+

4

y

=

–

1

3

x

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Not feeling ready yet? These can help:

GG.1Is (x, y) a solution to the system of equations?

GG.2Solve a system of equations by graphing

GG.4Find the number of solutions to a system of equations by graphing

GG.5Find the number of solutions to a system of equations

GG.8Solve a system of equations using substitution

GG.9Solve a system of equations using substitution: word problems

GG.10Solve a system of equations using elimination

GG.11Solve a system of equations using elimination: word problems