AIDAN-Week 14 TEST(8th): Sys of EQs-Sub&Elim

Front

What is a system of equations?

Back

A set of two or more equations with the same variables that are solved together.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Front

What does it mean for two lines to be parallel?

Back

Two lines are parallel if they have the same slope and will never intersect.

Tags

CCSS.8.EE.B.5

Front

What is the substitution method?

Back

A method for solving a system of equations by solving one equation for one variable and substituting that expression into the other equation.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Front

What is the elimination method?

Back

A method for solving a system of equations by adding or subtracting equations to eliminate one variable.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Front

How do you determine if a system of equations has no solution?

Back

If the equations represent parallel lines, they have no solution because they never intersect.

Tags

CCSS.8.EE.C.8A

Front

What is the solution to a system of equations?

Back

The point(s) where the equations intersect, representing the values of the variables that satisfy all equations.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Front

What is graphing in the context of solving equations?

Back

Graphing involves plotting the equations on a coordinate plane to visually find the point of intersection.

Tags

CCSS.8.EE.C.8B

Front

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

Back

Tags

CCSS.8.F.A.3

CCSS.8.EE.B.6

Front

How can you identify the slope of a line from an equation?

Back

Tags

CCSS.8.EE.B.5

Front

What does it mean for two lines to intersect?

Back

Two lines intersect if they cross at one point, which represents a unique solution to the system of equations.

Tags

CCSS.8.EE.C.8A