8bithelix:

2 more questions http://prntscr.com/iuk1p3 http://prntscr.com/iuk1vx

5 months ago
8bithelix:

@563blackghost help me check some of my answers

5 months ago
8bithelix:

for the 2nd prntscreen its d and e

5 months ago
563blackghost:

For the second prntscreen your answers are correct, but there is one more answer.

5 months ago
8bithelix:

hmm

5 months ago
8bithelix:

c

5 months ago
563blackghost:

yup

5 months ago
8bithelix:

a and b doesnt even make sense

5 months ago
8bithelix:

and now for the first prntscreen

5 months ago
563blackghost:

For the first one the best way to solve is to graph it. You can use desmos.com for dis.

5 months ago
8bithelix:

maximum height is 100 ft.

5 months ago
8bithelix:

or t

5 months ago
8bithelix:

regardless maximum hight is 100

5 months ago
563blackghost:

yup

5 months ago
8bithelix:

only thing left to do is explain how i got 100

5 months ago
563blackghost:

Well you graphed the parabola. You could have done it through calculator as well. For algebra you can use calculators.

5 months ago
8bithelix:

true, i can also say how i got my answer: The vertex of the equation is 5/2,100 i guess

5 months ago
563blackghost:

Well to find vertex you would use the equation: \(\bf{Vertex=\frac{-b}{2a}}\) `b = 80` and `a = -16`. Plug and find the vertex, once you find this you plug into the equation.

5 months ago
563blackghost:

That should come out the same outcome.

5 months ago
8bithelix:

ah

5 months ago
563blackghost:

Did you get 100?

5 months ago