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
4622 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...
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Answered by Hannah C. • Geography tutor
60309 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
6465 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
3476 Views

Evaluate x^2 +2x -4 = 0

Using the quadratic formula (-b +- sqrt(b^2 -4ac))/2a we can sub substitute a = 1, b=2 and c = -4 to solve. The answer is x = -1 +/- sqrt(5)
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Answered by Adeolu C. • Maths tutor
4293 Views