Unit 6 Day 2 Solving Systems by Substitution

Front

What is the first step in solving a system by Substitution?

Back

Make sure at least one equation is solved for one variable.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Front

The solution (x, y) to a system of equations is the point where they...?

Back

Intersect.

Tags

CCSS.8.EE.C.8B

Front

What is the solution type when two lines are parallel?

Back

No solution.

Tags

CCSS.8.EE.C.8A

Front

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

Back

The equations represent the same line.

Tags

CCSS.8.EE.C.8A

Front

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

Back

Two lines intersecting at a single point.

Tags

CCSS.8.EE.C.8A

Front

What is the term for a system of equations that has no solutions?

Back

Inconsistent system.

Tags

CCSS.8.EE.C.8B

Front

What is the term for a system of equations that has exactly one solution?

Back

Consistent and independent system.

Tags

CCSS.8.EE.C.8B

Front

How do you determine if a system has infinitely many solutions?

Back

If the equations are equivalent.

Tags

CCSS.8.EE.C.8B

Front

What is the substitution method in solving systems of equations?

Back

Solving one equation for one variable and substituting it into the other equation.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Front

What does it mean for two lines to intersect at a point?

Back

They have a unique solution (x, y).

Tags

CCSS.8.EE.C.8B