Edexcel A level Maths: 8.1 Parametric Equations (Domain and Range)

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Pearson A level Maths, Pure year 2 Textbook (8.1)

In this video I introduce the basic idea of Cartesian equations and parametric equations of a curve. I then go onto explaining how to find the domain and range of a curve given parametrically.

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I knew how to find the Cartesian equation but I found finding the domain and range difficult. The way you have taught it (using the graphs) have really helped

isabellebowles

I LOVE THE ENERGY THIS GUY TEACHES WITH IT HELPS ENJOY THE LEARNING

ibrahimumer

im glad i found your videos yesterday, were really needed as we couldnt finish the course in time due to covid 19, you teach better than my teacher too hands down

Sprintingsands

4:39 Mmmhmm beautiful Cartesian equations.

Torchman-

This helped soooo much. It was hard to get my head around first but I understand now with this video

nataliarobinson

Huge boyo mate coming in clutch for lockdown

DVU

Your teaching is much better than my math teacher

njtfcbx

Quick and simple explanation, thanks brother

jameslifts

When making t the subject...do I always have to have it in the form y= or could I rearrange the simpler of the two and still get the marks . Or could I make t the subject of both equations and just put them equal to each other? Love the speed of your delivery. Great teaching thank you.

sweetmaths

For the second example, are we incorrect if we sub t from the y-equation into the x-equation (the opposite way to how you've done it)?

danoneill

When converting to Cartesian form, can you do x= instead of y=?

elliottcooksey

How do you find the domain and range with out drawing a graph

ymg

What if they ask you to leave a y=ax+b/x-1 form like this? What do you do?

jiaminyang

Should you always sketch the graph in order to find the range and domain?

eleanorcaffrey

The solutions for a question similar to example 1 in your video doesn't state that x is any real number. Do you have to state x is any real number. I understand why and just want to clarify

rasheede.o

2:10 how did you know this is the correct graph? im so lost

zoey

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