Bell Work Systems Elimination/Substitution

Bell Work Systems Elimination/Substitution

Assessment

Flashcard

Mathematics

9th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a system of equations?

Back

A system of equations is a set of two or more equations with the same variables. The solution is the set of values that satisfy all equations simultaneously.

2.

FLASHCARD QUESTION

Front

What does it mean to solve a system of equations by elimination?

Back

Solving by elimination involves adding or subtracting equations to eliminate one variable, making it easier to solve for the remaining variable.

3.

FLASHCARD QUESTION

Front

What is the substitution method in solving systems of equations?

Back

The substitution method involves solving one equation for one variable and then substituting that expression into the other equation.

4.

FLASHCARD QUESTION

Front

What is the first step in solving the system 5x + 3y = 7 and y = 4?

Back

Substitute y = 4 into the first equation to find the value of x.

5.

FLASHCARD QUESTION

Front

How do you determine which variable to eliminate in a system of equations?

Back

Choose the variable that can be easily eliminated by adding or subtracting the equations, often based on coefficients.

6.

FLASHCARD QUESTION

Front

What is the combined equation for the system 9x + y = 12 and -9x + y = 6?

Back

The combined equation is 2y = 18.

7.

FLASHCARD QUESTION

Front

What is the solution to the system 4x + 8y = 20 and -4x + 2y = -30?

Back

The solution is (7, -1).

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