exam
Maths Puzzle
Numerical Ability
A line passing through (4, 20) and (6, y) is parallel to a line with slope -7. What is the value of y?
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exam Other Question
The problem states:
Divide and simply:
(x^2 - 16)/(x^2 + 4x + 4) ÷ (x^2 + 3x - 4)/(x^2 - x - 2)
Please help.
I have to solve this problem algebraicly to verify that these equations will produce Pythagorean Triples....
p(2n+p)squared + 2n(n+p)squared = 2n(n+p)+p squared