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Solving Systems of Equations by Substitution

Solving Systems of Equations by Substitution

Assessment

Flashcard

Mathematics

8th - 9th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a system of equations?

Back

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

2.

FLASHCARD QUESTION

Front

What does it mean when a system of equations has infinite solutions?

Back

It means that the equations represent the same line, and every point on that line is a solution.

3.

FLASHCARD QUESTION

Front

What does it mean when a system of equations has no solution?

Back

It means that the equations represent parallel lines that never intersect.

4.

FLASHCARD QUESTION

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.

5.

FLASHCARD QUESTION

Front

How do you solve the system of equations: 2x + 3y = 6 and y = 2x - 1?

Back

Substitute y in the first equation: 2x + 3(2x - 1) = 6, solve for x, then find y.

6.

FLASHCARD QUESTION

Front

What is the first step in solving a system of equations by substitution?

Back

Isolate one variable in one of the equations.

7.

FLASHCARD QUESTION

Front

If you have the equations y = 3x + 2 and 2x - y = 4, how do you solve them?

Back

Substitute y from the first equation into the second: 2x - (3x + 2) = 4.

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