exam
Maths Puzzle
Numerical Ability
2x2-11x=-12
Read Solution (Total 1)
2X2-11x=-12 so 2X2-11X+12=0 2x-3=0 or x-4=0 so x=3/2 or x=4.....
10 years ago
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exam Other Question
The lengths of diagonals of a rhombus are in the ratio 2:1. If the perimeter of the rhombus is 20, find the sum of the lengths of the diagonals.
I know that each side is 5. ( 20/4=5)
I know the diagonals are perpendicular to each other.
f(x)=5x2+4x
(a)f(3)
(b)f(2a)