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What is the difference between a parametric equation and a general equation?

A parametric equation is defined by a variable t such as y = 4t +1 and x = 2t, while general equation is defined sorely by y and x (in 2 dimensional space). As t is the free variable you can simply replace t...
CZ
Answered by Chen Z. • Maths tutor
9892 Views

Karen got 32 out of 80 on a Maths test. She got 38% on an English test. Which test did she do better in?

32 out of 80 on a Maths test38% on an English test As we don't know any other information about the English test (e.g. her mark and the total mark) the only way that we can compare the two results is by usin...
VC
Answered by Vicky C. • Maths tutor
13019 Views

What's the best way to revise for my exam?

I always found that the best way to revise, above anything else, was making sure I knew exactly what was going on in the text I was studying. You can do this by re-reading the text and by checking SparkNotes...
LC
5128 Views

What are the values of x and y?

a) 3x + 5y = 26 b) 2x + 2y = 12 Step One : We need to find a way to equate either the x terms of the y terms in each equation. Multiply equation a) by 2 and equation b) by 3 to form the following equations. ...
EA
Answered by Emily A. • Maths tutor
148420 Views

How is poly(ethene) formed?

Poly(ethene) is formed when several monomers of ethene (an alkene) are joined together. Ethene can take part in this type of reaction as it is has a double bond (it's unsaturated) which opens up to allow mul...
EA
Answered by Emily A. • Chemistry tutor
30963 Views