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Maths
GCSE

Change the subject of the formula F=(t^2+4b)/c to b.


b = (Fc-t^2)/4

MH
Answered by Mayez H. Maths tutor
6280 Views

A line passes through the points (-2,1) and (4,4). Find the equation of the line in the form y = mx + c

In the form y = mx + c, m stands for the slope (or gradient) of the line, and c for its y-intercept. Since we are given two points that are on the line, we can figure out its slope by looking at the verti...

FB
Answered by Filip B. Maths tutor
3936 Views

200 pupils are taking a school trip. Some are flying, some are taking the bus. There are three times as many boys going as girls. One third of the boys going are flying. How many boys are getting the bus?

x is number of boys. y is number of girlsx + y = 200x = 3y4y = 200y = 50x = 1502/3 * 150 = 100 boys getting the bus

JC
Answered by Jonty C. Maths tutor
2637 Views

Solve x^2+x-30=0

To solve this question we need to factorise x2 +x-30=0 to find the points in which the function x2 +x-30=0 intersects/ cuts the x axis. We factorise the function x2 +x-30=...

DP
Answered by Dylan P. Maths tutor
4588 Views

What is the slope of the function y=3x(squared)-9x+7 at x=2.

In order to find the slope of the given function, we firstly have to find its first order derivative. This derivative will give us the slope of the original function at every point. To find the derivative...

NK
Answered by Niclas K. Maths tutor
2749 Views

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