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The equation of the line L1 is y=4x–8. The equation of the line L2 is 3y–12x+4=0. Show that L1 and L2 are parallel.

Parallel lines have the same gradient. The gradient of L1 is 4. For the gradient of L2: 3y=12x-4y=4x-4/3The gradient of L2 is also 4. Thus these lines are parallel. Explanation 1.Rearrange the equation to ma...
DP
Answered by Divya P. • Maths tutor
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What is the difference between "parce que" and "car"?

The difference between "parce que" and "car" is that the first is a subordinating conjunction and the second is a coordinating conjunction. "Parce que" can be used at the start ...
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Answered by Ian G. • French tutor
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Solve for x the equation 1/(3x-6) +2/(x-2) =5

Firstly we would approach the question by looking at the question by attempting to group together the x terms to solve for x. By looking at the question we can see that the x terms are the denominators so we...
AS
Answered by Aswin S. • Maths tutor
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Explain how genes encode proteins?

A gene is a section of DNA containing bases AT/GC which encodes for a protein. The genes are present in the nucleosome of the nucleolus. When a gene is needed for transcription RNA polymerase will be recruit...
DS
Answered by Dominique S. • Biology tutor
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Solve the simultaneous equations: x^2 + y^2 = 9 and x + y = 2

Firstly we need to realise that equation 1 (x^2 + y^2 = 9) does not factorise. So once realising this, we must rearrange equation 2 (x + y = 2) so that y = 2 - x. Now we substitute (y = 2 - x) into equation ...
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Answered by Sebastian W. • Maths tutor
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