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The point P has coordinates (3, 4) The point Q has 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.

The first step should be to rearrange the equation of the perpendicular line to PQ, in order to find the gradient, which works out to -3/2x. This can be done using the equation y=mx+c, where m is the grad...

MD
Answered by M D. • Maths tutor
8444 Views

How should I structure an essay?

The most effective way to structure an essay is to use PEEL. Point, Evidence, Explain and Link. Firstly, you want to consider the main point

TD
2245 Views

How should I start my portfolio?

Each portfolio must be showing development backed up with explanations for a final outcome. You should start off with 6-7 artists which will be part of the possible starting points and ideas you enjoy re...

IZ
Answered by Irene Z. • Art tutor
1925 Views

What is cuberoot(64x1000)?

This is a question from a non calculator GCSE paper only answered correctly by roughly half the students. The question is regarding the topic of surds and is quite a basic question testing your knowledge ...

AJ
Answered by Avik J. • Maths tutor
4966 Views

Factorise the expression x^2+5x-24.

Using the general form of a quadratic equation ax2+bx+c, we known that ax2+bx+c=(x+d)(x+e).The constant term, c, must be equal to the product of our two constants in the factorisatio...

LC
Answered by Louis C. • Maths tutor
11995 Views

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