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6-8 Grade 8 Unit 4 Lesson 13

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Lesson 13
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Unit 4, Lesson 13

Solving Systems of Equations

Grade 8

Practice

Problem 1

Student Task Statement

Write equations for the lines shown.

<p>Graph of two intersecting lines in the xy-plane. Scale negative 8 through 8 on both axes. The first line slants upward and right, crosses the y axis at 2, and passes through the point 1 comma 5. The second line slants downward and to the right, crosses the y axis at 8, and passes through the point 1 comma 5.</p>
Describe how to find the solution to the corresponding system by looking at the graph.
Describe how to find the solution to the corresponding system by using the equations.

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Lesson 13 Resources

Student Materials Student Materials in Spanish

Problem 2

Student Task Statement

The solution to a system of equations is . Choose two equations that might make up the system.

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Problem 3

Student Task Statement

Solve the system of equations:

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Problem 4

Student Task Statement

Solve the system of equations:

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Problem 5

ForLesson 6: Strategic Solving

Student Task Statement

Here is an equation:

Solve the equation by using the distributive property first.
Solve the equation without using the distributive property.
Check your solution.

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