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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 about it ...
BD
Answered by Brendan D. • Maths tutor
5614 Views

What kind of questions will I be asked in my medical school interview?

Each medical school will have different priorities, their questions will reflect these so it is important to look at the information on their websites to look at this and see if it is a good fit with you.Top...
CK
1520 Views

How does the Calvin Cycle work?

To answer this question, I would definitely use a diagram so that they can clearly see that this is a cycle and it will probably then use the diagram to explain each step. The Photosynthesis equation CO2 + W...
EK
Answered by Elva K. • Biology tutor
7055 Views

Solve the following simulateous equations: 3x+y=11 and 2x+y=8

Minus 2x+y=8 from 3x+y=11 so that the y's cancel out (y-y=0). Then we get the equation 3x-2x=11-8.So we get x=3.We can substitute this value back into one the orginal equations: y=11-3(3)=2 - so y=2.We can c...
CG
Answered by Cameron G. • Maths tutor
3684 Views

Find the coordinates of the point of intersection of the lines y = 3x - 2 and x + 3y = 1.

(A-level Maths) Simultaneous equations: 1) y = 3x -2 2) x + 3y = 1 Substitute y = 3x - 2 into equation 2: x + 3y = 1x + 3(3x-2) = 1 1 mark x + 9x - 6 = 1 Expand brackets 10x - 6 = 1 Solve equation 10x = 1 + ...
KB
Answered by Kiran B. • Maths tutor
7904 Views