Top answers

All subjects
All levels

How to plot quadratic functions, e.g. F(x)= x^2 + 2x +1

What we require to plot this graph are the following: the general shape of the graph, the intercepts with the x and y axes and the maximum point/minimum point. All functions with x2 as the high...

AS
Answered by Alexandra S. Maths tutor
6426 Views

What is the difference between the median and the mean values for this set of data: 11, 9, 21, 6, 18, 2, 17, 8, 7.

Median: Reorder the data in numerical order, then select the value that lies directly in the middle of the data line - if there is an odd number of data, the median value is the middle number and if there...

JM
Answered by James M. Maths tutor
3995 Views

Convert -58 into 8bit twos compliment binary

-128  64  32  16  8  4  2  1

   1    1   0    0   0  1  1  0

Therefore 11000110

HB
Answered by Hamish B. Computing tutor
2928 Views

How does hot water in lakes make fish die

Increase in temperature causes a decrease in soulubility of gases so loss of oxygen and therefore fish die due to a loss of oxygen 

ZM
Answered by Zehra M. Chemistry tutor
2443 Views

How do you solve simultaneous questions?

When an equation has two or more variables, for example and x and y, more than one equation is need to solve it.  The number of equations needs is equal to the number of variables you have.  For example, ...

ES
Answered by Elise S. Maths tutor
3981 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:

© 2026 by IXL Learning