Solving System of Equations by graphing

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 for a system of equations to have one solution?

Back

The graphs of the equations intersect at exactly one point.

Tags

CCSS.8.EE.C.8A

Front

What does it mean for a system of equations to have no solution?

Back

The graphs of the equations are parallel and never intersect.

Tags

CCSS.8.EE.C.8A

Front

What does it mean for a system of equations to have infinitely many solutions?

Back

The graphs of the equations are the same line, meaning they overlap completely.

Tags

CCSS.8.EE.C.8A

Front

How do you find the solution to a system of equations by graphing?

Back

Graph each equation on the same coordinate plane and identify the point(s) of intersection.

Tags

CCSS.8.EE.C.8B

Front

What is the graphical representation of intersecting lines?

Back

Two lines that cross at a single point, indicating one solution.

Tags

CCSS.8.EE.C.8A

Front

What is the graphical representation of parallel lines?

Back

Two lines that run alongside each other without ever meeting, indicating no solution.

Tags

CCSS.8.EE.C.8A

Front

What happens when you graph the same equation twice?

Back

You will have infinitely many solutions, as the lines will overlap.

Tags

CCSS.8.EE.C.8A

Front

What is the slope-intercept form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

What is the y-intercept of a line?

Back

The point where the line crosses the y-axis (x=0).