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Find the point of intersection of the lines y=2x-7 and 4y-2=3x

Substitute y into 4y-2=3x 4(2x-7)-2=3x -> 8x-28-2=3x -> 8x-3x=28+2 -> 5x=30 -> x=30/5 -> x=6 subsitute x into y=2x-7 y=2(6)-7 -> y=12-7 -> y=5 Point = ( 6 , 5 )
IG
Answered by India G. • Maths tutor
4439 Views

How do I go about analysing a sources that are cartoons in an exam?

The thing to remember when analysing historical sources is that there is a structure to follow: Firstly you want to make sure you look at the image very clearly. This might seem very obvious, but you would b...
LB
Answered by Luna B. • History tutor
3245 Views

How do I know when to use sin, cos or tan?

Check that your triangle is a right-angled triangle. Remember, you can only use pythagoras theorem or SOHCAHTOA on right-angled triangles. Label the sides O, H and A: opposite (the angle), hypotenuse (longes...
CS
Answered by Camilla S. • Maths tutor
12325 Views

Why does the quadratic formula give solution to quadratic equation

Let the quadratic equation be of the form: ax 2 + bx + c = 0. Now by completing the square ( which can be done numeorous ways) get: a(x - b / 2a) 2 - a(b / 2a) 2 + c = 0. Then rearrange equation: a(x - b / 2...
TT
Answered by Tu T. • Maths tutor
3711 Views

Explain the traditional conservative view of human nature.

The traditional conservative view of human nature is essentially pessimistic. Conservatives believe humans are imperfect. This can be broken down into three distinct aspects. Firstly, humans are psychologica...
RW
23371 Views