Search over 10,000 free study notes

a)starting from ax²+bx+c=0, divide through by a, x²+(b/a)x+c/a=0, complete the square (x+(b/2a))²-(b/2a)² +c/a=0, expand (x+(b/2a))²-(b²/4...

Capillaries-one cell thick, minimal diffusion distanceveins-wise lumen, many elastic fibres, valves presentarteries-thick muscular layer to withstand BP

This would be regarded as a writing task. The student would need to apply the following grammar rules:
Correct use of case endings (where possible)Use of conjunctions / variety of conjunctionsUse of ...

To solve a question we want to get the x terms and one sides, the variables, and the numbers on the other side, the constants.7x + 6 > 1 + 2xSubtract 2x from 7x so we only have x terms on the left hand...

This question is asking us to complete the square. To find the value of a we must halve the coefficient of x. So, in this question: a = 4/2 = 2. To find the value of b we...