Recognizing Linear Functions

Grade 8 / Math / Common Core
CCSS: Math.8.EE.C.8

Common Core State Standards

Math

Math

8

Grade 8

EE

Expressions & Equations

C

Analyze and solve linear equations and pairs of simultaneous linear equations

8

Analyze and solve pairs of simultaneous linear equations.


a. Understand that solutions to a system of two linear equations in two variables correspond to points of intersection of their graphs, because points of intersection satisfy both equations simultaneously.


b. Solve systems of two linear equations in two variables algebraically, and estimate solutions by graphing the equations. Solve simple cases by inspection. For example, 3x + 2y = 5 and 3x + 2y = 6 have no solution because 3x + 2y cannot simultaneously be 5 and 6.


c. Solve real-world and mathematical problems leading to two linear equations in two variables. For example, given coordinates for two pairs of points, determine whether the line through the first pair of points intersects the line through the second pair.

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Objective

Understand that the point of intersection of two linear equations is a solution that satisfies both equations in the system and that equations that yield parallel lines have no solution

Length

17 min

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Common Core Standards
Math.8.EE.C.8

Supporting Materials

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  • Workbook for Recognizing Linear Functions

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