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The point P has coordinates (3,4), Q has the coordinates (a,b), a line perpendicular to PQ is given by the equation 3x+2y=7. Find an expression for b in terms of a

Firstly, let's have a look through the question to find the key words and write down any equations you might need. Perpendicular means the two lines cross and meet at a right angle, we also have an equation ...
CB
Answered by Charles B. • Maths tutor
6874 Views

What method of series convergence test is the correct test?

There are 4 different types of series to be aware of: geometric, p-series, alternating, and series greater than 0.If the limit of the series is a non-zero value then the series divergesIf the series is geome...
MG
Answered by Maya G. • Maths tutor
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Write 36 as a product of its prime factors

3 2 x 2 2 Drawing a tree during explanation is very helpful.
NK
Answered by Nighat K. • Maths tutor
4159 Views

3/5 of a number is 162. Calculate the number.

Non calculator paper. 162 divided by 3 = 1/554 = 1/554*5 = 270
NK
Answered by Nighat K. • Maths tutor
6651 Views

Differentiate, with respect to x, e^3x + ln 2x,

e^3x differentiates to 3e^3x as you multiply the function e^3x by the derivative of the inside function 3x. 3x differentiates to 3, so the answer is 3 multiplied by e^3x. The derivative of a natural log func...
PA
Answered by Pelumi A. • Maths tutor
13895 Views