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Scottish Highers

Why is the gradient of a curve at a point the same as the gradient of the tangent if you can't use gradient formula on a curve?

This may be initially confusing to get your head around but gradient is really just an expression of "rate of change" on a curve the rate of change is always changing at every point, this abou...

BD
Answered by Brendan D. Maths tutor
4027 Views

How should I prepare my essays for the exam?

The first question to address here is; what genre is the material you have been learning in class fits. Is it drama, poem, prose, non-fiction? From here, we can look at past exam questions, and observe a ...

CA
Answered by Cat A. English tutor
1028 Views

a.) What is the definition of ionisation energy? b.) Explain trends in ionisation energy within the periodic table

a.) Ionisation energy is the energy required to remove the most loosely bound electron from an element.b.) Ionisation energy decreases down a group due to increasing electron shielding, this decreases the...

VL
Answered by Vishal L. Chemistry tutor
1315 Views

Having been asked to write about a past experience , what tense do I use

L’imparfait would be used here as it can be used to describe things which can help visualise atmospheres or settings scenarios took place in and it can also be used to express opinions about the past. Pa...

CK
Answered by Charlotte K. French tutor
1031 Views

Given that, dy/dx = 6x^2 - 3x + 4, and y = 14 when x = 2, express y in terms of x.

dy/dx = 6x2 - 3x + 4
To retrieve the original function y from dy/dx you have to integrate the derivative with respect to x.
y = ∫(dy/dx)dxy = ∫(6x2 - 3x + 4)dx
To inte...

CB
Answered by Ciaran B. Maths tutor
5517 Views

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