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(6x+4)/(2x- 2) + 3 = 4 solve for x

divide fraction by 2 3x+2 / x-1 + 3 = 4 multiply by x-1 3x + 2 + 3x - 3 = 4x - 4 6x -1 = 4x -4 2x = -3 x= -3/2
AC
Answered by Arjun C. • Maths tutor
4303 Views

How do you find the points of intersection of two curves?

This problem is a graphical representation of finding the solutions to a pair of simultaneous equations. In this example we will use the curves y=2x 2 , and y=x 2 +1. This is a very straightforward example, ...
JR
Answered by Jacob R. • Maths tutor
5139 Views

I'm struggling with quadratic equations

Quadratic equations can be tricky, to begin with, but once you get the hang of them they can become one of the best maths tools on offer to you. All quadratic equations with real roots can be solved with the...
BW
Answered by Ben W. • Maths tutor
3539 Views

Find dy/dx of the curve x^3+5xy-2y^2-57=0

3x 2 +5y+5x(dy/dx)-4y(dy/dx)=0 3x 2 +5y=(5x-4y)dy/dx dy/dx=(3x 2 +5y)/(5x-4y)
SP
Answered by Steven P. • Maths tutor
4534 Views

Given that y=x/(2x+5) find dy/dx.

Using the quotient rule: Let u=x and v=2x+5 then du/dx= 1 and dv/dx=2 Hence dy/dx=[(2x+5)x1- (2x)]/(2x+5) 2 =5/(2x+5) 2
SB
Answered by Shayna B. • Maths tutor
4214 Views