Using two multiplier to solve using elimination 5g + 4k = 10, -3g - 5k = 7

Using two multiplier to solve using elimination 5g + 4k = 10, -3g - 5k = 7

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial covers solving a system of equations using the elimination method. It begins with presenting the equations and discussing the importance of coefficients. The teacher explains how to choose appropriate multipliers to equalize coefficients, emphasizing the use of the least common multiple (LCM) for simplification. The process of solving the equations is demonstrated step-by-step, highlighting the importance of choosing the right numbers to minimize work. The tutorial concludes with solving the equations and verifying the solution.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the initial equations given in the problem?

5G - 4K = 10 and 3G + 5K = 7

5G + 4K = 10 and -3G - 5K = 7

3G + 5K = 10 and -5G - 4K = 7

4G + 5K = 10 and -3G - 5K = 7

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main goal when using the elimination method?

To solve for both variables simultaneously

To find the greatest common divisor

To simplify the equations by division

To make the coefficients of one variable the same

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to choose the least common multiple when using multipliers?

It ensures the equations are balanced

It increases the accuracy of the solution

It helps in finding the greatest common divisor

It reduces the amount of work needed

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why might using larger numbers than the least common multiple be more work?

It simplifies the equations

It makes the solution more accurate

It requires additional reduction steps

It eliminates the need for further calculations

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when you add equations with opposite coefficients?

The variable is eliminated

The coefficients are doubled

The equations become identical

The solution becomes more complex

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After finding K = -5, what is the next step?

Substitute K into one of the original equations

Solve for K in a new equation

Multiply both equations by a new multiplier

Check the solution by substituting into both equations

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of G after solving the equations?

10

-5

0

6