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Show that the lines A: y= 2x-5. and the line B: 2y-4x+3=0 are parallel.

If two lines are parallel they have the same gradient. line A is in the form y=mx+c where m is the gradient and c is the y intercept. Therefore, the gradient of A =2.Get B into the form y=mx+c to compare it ...
AK
Answered by Asha K. • Maths tutor
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Find the co ordinates and nature of the turning points of the curve C withe equation, y=2x^3-5x^2-4x+2

Firstly, Differentiate the equation to find dy/dx. (dy/dx = 6x^2-10x-4)dy/dx shows the rate of change of the curve at a point, so at the stationary point dy/dx =0. So, put dy/dx = 0 and solve using factorisa...
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Answered by Asha K. • Maths tutor
10255 Views

Describe and explain the changes between sulphuric acid with copper carbonate, connected to a test tube with limewater.

The limewater turns cloudy (due to formation of C0 2 )Solution fizzes/effervescesSolution turns blue
PH
Answered by Prav H. • Chemistry tutor
3328 Views

Describe the relationship between the number of carbon atoms in an alkane molecule and its boiling point.

As the number of carbon atoms increases, the boiling point increases.
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Answered by Prav H. • Chemistry tutor
8484 Views

How should I prepare for the MLAT?

The MLAT is essentially a test of knowledge of grammar and vocabulary. For the languages on the paper, there is typically a gap-filling exercise or one where you must choose between two words to complete a s...
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