Solving Simultaneous Equations in Wages

Solving Simultaneous Equations in Wages

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

Created by

Thomas White

FREE Resource

This video tutorial demonstrates how to solve a real-world problem using simultaneous equations. The problem involves determining the weekly wages of carpenters and apprentices based on given conditions. The video explains how to define variables, formulate equations, and solve them using the substitution method. It provides a step-by-step calculation of the wages for both carpenters and apprentices, concluding with an invitation for viewers to ask questions for further clarification.

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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main topic of the video?

Learning how to write with a mouse

Using simultaneous equations to solve a wages problem

Exploring different types of equations

Understanding the history of carpentry

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the variable x represent in the problem?

The total wages of apprentices

The weekly wage of an apprentice

The number of carpenters

The weekly wage of a carpenter

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first equation formulated in the problem?

5x - 3y = 9,750

x + y = 1,530

3x + 5y = 8,990

5x + 3y = 9,750

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which method is chosen to solve the simultaneous equations?

Graphical method

Elimination method

Substitution method

Matrix method

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the expression for y in terms of x derived from equation 2?

y = 9,750 - 5x

y = 1,618 - (3/5)x

y = 8,990 - 3x

y = 1,530 + 5x

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the next step after substituting y into equation 1?

Solve for y

Expand and simplify the equation

Graph the equation

Check the solution

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the calculated weekly wage of a carpenter?

$700

$9,750

$8,990

$1,530

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the value of y found after determining x?

By substituting x into equation 3

By guessing

By using the original equations

By using a calculator

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final weekly wage of an apprentice?

$1,530

$9,750

$700

$8,990