This is an extending queston but i awnt to know how to solve it, can someone please help me?

Question

waheguru · Answer

attachment

mertsj · Answer

You could find the zeros of the function and then average them.

mertsj · Answer

The zeros would be when the rock is on the ground.  Half of that would be when it is at its high point.

waheguru · Answer

How can we find the zeros?

waheguru · Answer

the equation given is in standard form

mertsj · Answer

set the function equal to 0 and solve the quadratic equation.

mertsj · Answer

$$-4.9t^2+v _{o}t+h _{o}=0$$

waheguru · Answer

yea I understand so far...

mertsj · Answer

Solve for t

waheguru · Answer

What do we do about the Ho

mertsj · Answer

It's c

waheguru · Answer

Do we move it over to the left side?

mertsj · Answer

Depends on what method you are using.  If you want to complete the square, then yes.
If you want to use the quadratic formula, then no.

waheguru · Answer

Can you show by completing the square

waheguru · Answer

so we move it over and then what?

mertsj · Answer

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