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How would I prepare for my Maths exams so that I get the best grade possible?

I would recommend that all A-level students should attempt all previous exam papers at least once. This is to pick up on common tricks that the examiner uses and in most cases these tricks keep coming up eac...
TR
Answered by Tom R. • Maths tutor
3766 Views

V= 4(h^3 +1)^0.5 - 4, find dv/dh when h=2

V= 4(h 3 +1) 0.5 - 4 dV/dh= (4x 0.5) x 3h 2 x (h 3 +1) -0.5 => 6h 2 (h 3 +1) -0.5 Substitute h=2 into dV/dh => (6x2 2 )x(2 3 +1) -0.5 => 24 x 1/3 = 8
OD
Answered by Oliver D. • Maths tutor
5475 Views

What is the gradient of the quadratic function y=3x²?

The gradient of a function with variable x is found by applying the differential operator to it. The differential operator is commonly written as d/dx. Hence the differential operator applied to the function...
MC
Answered by Matthew C. • Maths tutor
10897 Views

There are two lines in the x-y plane. The points A(-2,5) and B(3,2) lie on line one (L1), C(-1,-2) and D(4,1) lie on line two (L2). Find whether the two lines intersect and the coordinates of the intersection if they do.

We first want to find the equations of the lines. The general equation of a line is: (y-y 1 )=m(x-x 1 ) where (x 1 ,y 1 ) are the coordinates of a point on the line and m is the gradient of the line. In case...
ZS
Answered by Zsofia S. • Maths tutor
7981 Views

a). Solve x-4=13, b). solve 7y=35 c). solve 3w-9=27

a). x-4=13 13+4=17 x=17 b). 7y=35 35/7=5 y=5 c). 3w-9=27 3w=27+9 3w=36 w=36/3 w=12
JM
Answered by Joe M. • Maths tutor
3634 Views