Top answers

2/(y+4) + 3(y-2)

So the question asks us to add together; 2 divided by y plus 4, to 3 divided by y minus 2.As there are no common denominators (bottom half of the fraction)We will therefore have to multiple the two denominat...
SS
Answered by Sagana S. • Maths tutor
3187 Views

Why was Bismarck such an important figure?

Bismarck was important for two reasons: 1. Through him Germany was 'united' and became a nation. 2. He left a very strong mark on German politics and the German constitution that would have effects right up ...
WJ
Answered by William J. • History tutor
5162 Views

express x^2-4x+9 in the form (x-q)^2+y

divide the coefficient of the x term by 2-4/2=-2this is the value of the term, q.to find the term, y, simply square the value of q, and subtract it from the number term, which is in this case, 9(-2)^2=4. y=9...
HC
Answered by Hugo C. • Maths tutor
6323 Views

4. The curve C has equation 4x^2 – y3 – 4xy + 2y = 0. P has coordinates (–2, 4) lies on C. (a) Find the exact value of d d y x at the point P. (6) The normal to C at P meets the y-axis at the point A. (b) Find the y coordinate of A

Differentiate Implicitly with respect to x- ( do it term by term, terms with only x's diff normally, terms containing a Y should be differentiated following the standard pattern but then multiplied by dy/dx ...
HP
Answered by Hamish P. • Maths tutor
6638 Views

Express x^2+8x+15 in the form (x+a)^2-b

Completing the Square is required to solve this equation. First, identify A,B, and C of the quadratic equation: A=1, B=8, C=15. Halve B to obtain a : B/2 = 8/2 = 4 so a = 4. Substitute a into the form (x+a) ...
MP
Answered by Mahfuza P. • Maths tutor
32054 Views