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Maths
GCSE

Calculate the equation of a line that passes through the point (2,4) and has a gradient of 1.5 in the form y=mx+c

y-y1=m(x-x1)

y-4=1.5(x-2)

y-4=1.5x-3

y=1.5x+1

KH
Answered by Katie H. • Maths tutor
3299 Views

Find the 16th term in the following sequence: 3, 5, 7, 9, 11

First find the nth term of the sequence. Start by finding the difference between each term:

3, 5, 7, 9, 11 - the difference between each is 2 therefore it is 2n but this alone gives the sequence: 2...

KS
Answered by Kate S. • Maths tutor
11426 Views

How do you expand (2x-1)(3x+4) using the FOIL method?

First, we must understand what the FOIL method is.

FOIL is an ancronym that we use to help us remember the steps when expanding brackets.

F - first 

O - outer

I - inner 

JL
Answered by James L. • Maths tutor
6290 Views

Factorise and solve the quadratic equation x^2 + 6x + 8 = 0

Theory

Problems like this need to be broken down into steps: i) Factorise, ii) solve and iii) check. The aim of this question is to find values of ...

TD
Answered by Tutor87306 D. • Maths tutor
8548 Views

How can I solve equations like 2x + 3 = 8x + 21?

Questions like this ask you to solve an equation; this means to find a value of x that when put into the equation allows each side of the equation to be equal.

There are th...

TD
Answered by Tutor87017 D. • Maths tutor
4705 Views

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