CW 5.1 solving systems of equations by graphing

Last updated over 4 years ago
11 questions

CW 5.1 solving systems of equations by graphing


Main lesson objective: Be able to write and solve systems of linear equations by graphing.
Example
Questions
1

Solve the system of equations by graphing.

Write your answser as an ordered pair e.g. (x, y)



1

Solve the system of equations by graphing.

Write your answser as an ordered pair e.g. (x, y)



1

USE YOUR GRAPHING CALCULATOR

Solve the system of equations by graphing.

Write your answser as an ordered pair e.g. (x, y)



1

USE YOUR GRAPHING CALCULATOR

Solve the system of equations by graphing.

Write your answser as an ordered pair e.g. (x, y)



Example
1

A test has 20 questions.
The test is worth 110 points and consists of True/False questions worth 4 points each and multiple choice questions worth 10 points each.
Use X for True/False questions and Y for Multiple choice questions.

Write the 2 equations separated by a comma and space


e.g 2x+3y=4, 5x+6y=7

1

A test has twenty questions.
The test is worth 110 points and consists of True/False questions worth 4 points each and multiple choice questions worth 10 points each.
Use X for True/False questions and Y for Multiple choice questions.

Use the equations you wrote in question 5

How many multiple choice questions are on the test?
Solve by graphing.
(you can use your calculator and write as a sentence.)

Test your answers in the working space.

1

The drama club sold bags of treats and cookies to raise money for the spring
show. Bags of treats cost $6.50, and bags of cookies cost $4.50, and sales
equaled $44.50 in total. There were 5 more bags of cookies than treats sold.

Use t for bag of treats and c for bag of cookies

Write the 2 equations separated by a comma and space
e.g 2x+3y=4, 5x+6y=7

1

The drama club sold bags of treats and cookies to raise money for the spring
show. Bags of treats cost $6.50, and bags of cookies cost $4.50, and sales
equaled $44.50 in total. There were 5 more bags of cookies than treats sold.

Use t for bag of treats and c for bag of cookies

How many of each bag were sold?
Solve by graphing.
(you can use your calculator and write as a sentence.)

Test your answers in the working space.

1

The sum of two numbers is 51, and their difference is 17.

Use x as the larger number and y as the small number

Write the 2 equations separated by a comma and space
e.g 2x+3y=4, 5x+6y=7

1

The sum of two numbers is 51, and their difference is 17.

Use x as the larger number and y as the small number

Find the value of x and y
Solve by graphing.
Write as an ordered pair (x, y)
Test your answers in the working space.

0

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