Top answers

what is the gradient and y intercept of the equation y=7x+7

gradient =7 y intercept = 7
ME
Answered by Mohammad E. • Maths tutor
4563 Views

Explain the processes involved in the formation of a waterfall. (6 marks)

A waterfall is an erosional landform, which occurs where there is a layer of hard rock on top of a layer of softer rock. Erosional processes such as hydraulic action and abrasion occur as the river flows dow...
HC
Answered by Hannah C. • Geography tutor
60111 Views

Find the roots of the equation y = 2x^2 + 5x + 2.

The root of an equation is a point where, when the equation is plotted on a graph, it crosses the x axis. The x axis is the line y = 0, so the roots can be found by setting 0 = ax 2 + bx + c where a,b and c ...
WU
Answered by Will U. • Maths tutor
6391 Views

What is the photoelectric effect?

The photoelectic effect is when photoelectrons are released from a metal that light is incident upon. The photoelectrons are only emitted when the photons of light are above a certain threshold frequency and...
GR
Answered by Gemma R. • Physics tutor
2694 Views

What happens to the diaphragm during inspiration?

Diaphragm contracts which causes it to move downwards/become flatter
WH
Answered by Will H. • Biology tutor
3407 Views