Algebra 1 Systems of equations

Front

What is a system of equations?

Back

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

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 representing the equations are parallel and never intersect.

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CCSS.8.EE.C.8A

Front

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

Back

The equations represent the same line, so every point on the line is a solution.

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CCSS.8.EE.C.8A

Front

What is the solution to a system of equations?

Back

The point(s) where the graphs of the equations intersect.

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CCSS.8.EE.C.8B

Front

What is the substitution method in solving systems of equations?

Back

A method where one equation is solved for one variable, and that expression is substituted into the other equation.

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 where equations are added or subtracted to eliminate one variable, making it easier to solve for the other.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Front

What is graphing in the context of systems of equations?

Back

A method of solving systems by plotting the equations on a coordinate grid and finding their intersection.

Tags

CCSS.8.EE.C.8B

Front

What is a linear equation?

Back

An equation that makes a straight line when graphed, typically in the form y = mx + b.

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CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Front

What does 'm' represent in the slope-intercept form of a linear equation?

Back

The slope of the line, indicating its steepness and direction.

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CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

What does 'b' represent in the slope-intercept form of a linear equation?

Back

The y-intercept, which is the point where the line crosses the y-axis.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3