Systems: Substitution

Front

What does it mean if a system of linear equations has one solution?

Back

The two lines are intersecting lines.

Tags

CCSS.8.EE.C.8A

Front

Solve the system of equations: y = 7x + 9 and 2y + 2x = -14.

Back

(-2, -5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Front

What does it indicate if a system of equations has infinite solutions?

Back

The equations represent the same line.

Tags

CCSS.8.EE.C.8A

Front

Solve the system of equations: y = -1x - 5 and 4x - 8y = 4.

Back

(-3, -2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Front

What does it mean if a system of equations has no solution?

Back

The lines are parallel.

Tags

CCSS.8.EE.C.8A

Front

Define a system of linear equations.

Back

A set of two or more linear equations with the same variables.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Front

What is substitution in the context of solving systems of equations?

Back

Replacing one variable with an expression involving the other variable.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Front

Solve for y: 2y + 2x = -14 when x = -5.

Back

y = -2.

Front

What is the graphical representation of a system with exactly one solution?

Back

Two lines intersecting at a single point.

Tags

CCSS.8.EE.C.8A

Front

If two lines are parallel, what can be said about their slopes?

Back

They have the same slope.

Tags

CCSS.8.EE.B.6