exam
Maths Puzzle
Numerical Ability
A=4B-3 B-A= 27
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exam Other Question
An object is projected upward from the top of a tower. Its distance in feet above the ground after t seconds is given by s(t)=16t^2+64t+80. How many seconds wil it take to reach ground level?
1. WHAT IS THE EQUATION OF THE DIRECTRIX OF THE PARABOLA WITH EQUATION X=4Y2+16Y+19?
2. WHAT IS THE LENGTH OF THE MAJOR AXIS OF THE ELLIPSE WITH EQUTION 4(x+4)2+9(y-1)2=36?
3