exam
Maths Puzzle
Numerical Ability
give the discriminant and use it to determine the number and type of solutions of the equation
3x^2 = 4x-5
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exam Other Question
Two jets leave Dallas and fly in opposite directions. One is flying 50 mph faster than the other. After 2 hours they are 2500 miles apart. Find the speed of each jet.
How to simplify this expression?
(2m+3n/2m^2-5mn-12n^2)/(2m^2-7mn-4n^2/m^2-8mn+16n^2)