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A graph of a linear equation passes through 2 points, (2,9) and (-3,-1). Find the equation of the line in the form y=mx+c.

So first of all in finding the equation of this line, we shall find the gradient of the line which is represented by m. To find m, we use a formula and the values in the 2 coordinates. The first coordinate w...
RM
Answered by Ryan M. • Maths tutor
3919 Views

Write 16 × 8^(2x) as a power of 2 in terms of x

Aim: Our answer should be written in the form 2 a+bx where a and b are constants that we are trying to find. Firstly, we can write 16 in terms of a power of 2: 16 = 4 2 = 4 x 4 = (2 x 2) x (2 x 2) = 2 4 Simi...
SL
Answered by Sophie L. • Maths tutor
10317 Views

2X-6=4

1: Understand what is meant by "solve the following equation... " Ans: We are required to isolate x and find its value 2: Treat the equal sign as a magic bridge that reverses operation. 3: Start mo...
FS
Answered by Furkan S. • Maths tutor
4144 Views

Differentiate the following equation, y = x^9 + 3x^2 + x^(-1)

dy/dx = 9x 8 + 6x - x -2
EL
Answered by Emma L. • Maths tutor
3265 Views

Define x and y if 3x+y=11 and 5x-2y=11

This is a simultaneous equations question. In this situation the equations can be multiplied to create a common coefficient: 3x+y=11 therefore 6x+2y=22You can then add the equations together: 6x+2y=22 plus 5...
JM
Answered by Jonathan M. • Maths tutor
4379 Views