Top answers

Describe the characteristics and explain the formation of one or more intrusive volcanic features (June 2016)

Batholiths are the largest example of intrusive volcanic features, when magma enters the earths crust without enough pressure to break the surface, it pools to form a roughly spherical lump of rock often mor...
LM
Answered by Lizzy M. • Geography tutor
7561 Views

What is the difference between a scalar and a vector quantity?

A Scalar quantity has magnitude, but not direction. For example Speed is a scalar quantity.A Vector quantity has both direction and magnitude. For example Velocity is a vector quantity.
NG
Answered by Nathan G. • Physics tutor
3014 Views

The curve, C has equation y = 2x^2 +5x +k. The minimum value of C is -3/4. Find the value of k.

Notes: At the minimum point of the curve, the gradient is = 0. You can find the gradient of a curve by taking the derivative of a point in the curve. We also know that when the curve is at a minimum, y =-3/4...
BH
Answered by Baraqat H. • Maths tutor
15489 Views

Was sollen wir machen, um die Flüchtlingskrise zu helfen?

This is the kind of question a student could be asked as part of their speaking exam. The most important thing in this exam is to keep talking, which is why I start by asking the students if they have phrase...
VF
Answered by Valentyna F. • German tutor
2228 Views

How do I find the minimum point for the equation y = x^2 -5x - 6?

The minimum point for the curve can be found by finding the point at which the gradient is zero, where the curve is instantaneously level, before increasing again. This can be done by differentiating the equ...
AU
Answered by Alex U. • Maths tutor
6938 Views