Top answers

Maths
All levels

Solve the following simultaneous equation: y= x^2 - 3x + 4 y - x = 1

When it comes to solving simultaneous equations the way you structure your working out will really help you get to the correct answer. The layout can be used for all simultaneous equations and will make e...

Answered by Anisha P. Maths tutor
5471 Views

Solve the following equation: x^3 + 8x^2 + 4x - 48=0

To solve a cubic equation, you first have to guess at values for x that will solve the equation. Generally, it is good practice to start with 0, then use +/- 1, +/- 2 and so on until you find a value that...

Answered by Richard B. Maths tutor
3747 Views

Solve the equation (2x-4)/2 + (6x+1)/3 = (16x+10)/12.

To solve this equation for x we must first make sure there is a common denominator across the whole equation. In this case as 2 and 3 are both factors of 12, meaning 12 can be divided by them to generate ...

Answered by Steven D. Maths tutor
2670 Views

A rectangle has length 3x+6 and width 2x-5. The perimeter of the rectangle is 22cm. What is the value of x?

The perimeter of the rectangle can be found using 3x+6+3x+6+2x-5+2x-5=10x+2We know from the question the perimeter equals 22cm.10x+2=22We can subtract 2 from both sides10x=20Divide through by 10 and we ge...

Answered by Georgina P. Maths tutor
2832 Views

Given the points P(-1,1) and S(2,2), give the equation of the line passing through P and perpendicular to PS.

First, we can find the slope of the line PS, with the help of the formula m = (y2- y1)/(x...

Answered by Kalina S. Maths tutor
2573 Views

We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo
Cookie Preferences