# Equation of a Straight Line

## An online exercise about the equation y=mx+c and the features of a straight line graph.

##### Graph MatchLevel 1Level 2Exam-StyleDescriptionHelpMore Graphs

This is level 1: the equation of a straight line You can earn a trophy if you get at least 7 questions correct and you do this activity online.

 1. What is the gradient of the line described by the equation $$y=5x-6$$ ? 2. What is the y intercept of the line $$y=6x+9$$ ? 3. What is the gradient of the line described by the equation $$2y-4x=9$$ ? 4. What is the y intercept of the line $$3y+5x-27=0$$? 5. Which of the following points are on the line $$y=3x-5$$ ?      A(1,-2), B(2,2), C(3,4), D(4,6), E(5,10), F(6,-2), G(7,16).      Rearrange the letter of your answer to make a dictionary word. 6. The point (3, t) lies on the line $$y=5x-5$$. Find the value of $$t$$. 7. The point (s, 2) lies on the line $$3y-2x=4$$. Find the value of $$s$$. 8. Find the equation of the line that has a gradient of 2 and passes through the point (4,13). Give your answer in the form $$y=mx+c$$ 9. Find the equation of the line that passes through P(-5,2) and R(5,-8)?Give your answer in the form $$y=mx+c$$ 10. A straight line passes through P(3,11) and R(-7,-9)?Find the equation of the line in the form $$ay+bx+c=0$$.
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This is Equation of a Straight Line level 1. You can also try:

## Instructions

Try your best to answer the questions above. Type your answers into the boxes provided leaving no spaces. As you work through the exercise regularly click the "check" button. If you have any wrong answers, do your best to do corrections but if there is anything you don't understand, please ask your teacher for help.

When you have got all of the questions correct you may want to print out this page and paste it into your exercise book. If you keep your work in an ePortfolio you could take a screen shot of your answers and paste that into your Maths file.

## Transum.org

This web site contains over a thousand free mathematical activities for teachers and pupils. Click here to go to the main page which links to all of the resources available.

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#### Where's Wallaby?

Find the hidden wallaby using the clues revealed at the chosen coordinates. Not only is this a fun way to practise using coordinates it is also a great introduction to Pythagoras' theorem and loci.

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## Go Maths

Learning and understanding Mathematics, at every level, requires learner engagement. Mathematics is not a spectator sport. Sometimes traditional teaching fails to actively involve students. One way to address the problem is through the use of interactive activities and this web site provides many of those. The Go Maths page is an alphabetical list of free activities designed for students in Secondary/High school.

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## Teachers

If you found this activity useful don't forget to record it in your scheme of work or learning management system. The short URL, ready to be copied and pasted, is as follows:

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## Description of Levels

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Level 1 - The equation of a straight line

Level 2 - Parallel and perpendicular lines

Exam Style questions are in the style of GCSE or IB/A-level exam paper questions and worked solutions are available for Transum subscribers.

More on this topic including lesson Starters, visual aids and investigations.

Answers to this exercise are available lower down this page when you are logged in to your Transum account. If you don’t yet have a Transum subscription one can be very quickly set up if you are a teacher, tutor or parent.

## Curriculum Reference

See the National Curriculum page for links to related online activities and resources.

## Example

The video above is from the wonderful Corbettmaths.

For Level 2 you will need to know the following:

• If two lines are parallel they will have the same gradient.
• If two lines are perpendicular the gradient of one will be the negative reciprocal of the gradient of the other.

Don't wait until you have finished the exercise before you click on the 'Check' button. Click it often as you work through the questions to see if you are answering them correctly. You can double-click the 'Check' button to make it float at the bottom of your screen.

Answers to this exercise are available lower down this page when you are logged in to your Transum account. If you don’t yet have a Transum subscription one can be very quickly set up if you are a teacher, tutor or parent.

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