Top answers

Maths
All levels

Why do we need the constant of integration?

Consider three simple functions F(x)=2x, G(x)=2x-6, H(x)=2x + π/2. We can differentiate these functions with respect to x to get F’(x)=f(x)=2, G’(x)=g(x)=2, H’(x)=h(x)=2. Clearly the derivatives of these ...

PC
Answered by Panoraia C. Maths tutor
2925 Views

Find the coordinates of the mid-point AB where A (-3,-3) and B (1,3)

X coordinates = (-3+1)/2 = (-2)/2 = -1Y coordinates = (-3+3)/2 = (0) /2 = 0 Coordinates of the midpoint = (x,y) = (-1,0)
If they were struggling to visualise it/to avoid simple mist...

EW
Answered by Edward W. Maths tutor
2786 Views

h^2=25. solve this quadratic equation to find h.

h2 = 25So firstly, we must square root each side of the equation.(square root) h2 = (square root)25.so... h= (square root)25.h=5. or h=-5.

HS
Answered by Helen S. Maths tutor
3155 Views

(2x-5)(3x+2)(x+7) - Expand the brackets.

(6x^2+4x-15x-10)(x+7)(6x^2 -11x-10)(x+7)= 6x^3-11x^2-10x+42x^2-77x-70)=6x^3+31x^2-87x-70

GA
Answered by Gloria A. Maths tutor
4918 Views

What is the determinant of a 2 by 2 matrix?

Let A by any 2 by 2 matrix and the top left, top right, bottom left and bottom right entries be a, b, c and d respectively. The determinant for matrix A would be ad-bc.

LG
Answered by Lin G. Maths tutor
3422 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning