Top answers

A,B and C all lie on the line x^2 + y^2 = 49 where A is on the y axis, B is on the X axis and C is the mid point of the straight-line connecting A and B.

As we know that A and B are on the axis so sub in X=0 and Y=0 into the equation to solve for the co-ordinates A and B.For A 0 2 +y 2 =49y= square root of 49 = 7Do the same for B, which gives: A= (0,7) B= (7,...
OW
Answered by Oliver W. • Maths tutor
3850 Views

What is the point of a derivative?

A derivative is a rate of change. For example, let y equal some function of x. Then the derivative of y with respect to x is asking how much y changes with respect to x. We can show this for any x and if we ...
Answered by • Maths tutor
3369 Views

How can i understand fractions?

Fractions can be easily understood by thinking of how to split n numbers of pizzas between d people. Through this we see that everyone gets (n/d) pizzas
TW
Answered by Tomos W. • Maths tutor
3221 Views

Solve the simultaneous equations; 3x + 2y = 11 x -4y = 13

Rearrange to get either y or x as the subject of the equation and then solve the equation by doing this. This is called eliminating one variable (x or y) substitute the found value into either equation state...
Answered by • Maths tutor
8987 Views

Simplify (3x+2)/(sqrt(x)-1)

-((3x+2)(1+sqrt(x)))/(1-x)
ZA
Answered by Zyra A. • Maths tutor
3587 Views