Question

If you wanted a really steep hill for your roller coaster, would you use the graph of y = –2x^2 + 6 or
y = (-1/10)x^2 + 6?

Answer 1

the first one

Answer 2

of course y = (-1/10)x^2 + 6

for first equation
http://www.wolframalpha.com/input/?i=y+%3D+%E2%80%932x%5E2+%2B+6+


for second

http://www.wolframalpha.com/input/?i=+y+%3D+%28-1%2F10%29x%5E2+%2B+6


any explanation I'm ready

Answer 3

why is it the first one ?

Answer 4

sorry .. its the first one .. i do mistake.... because its intersect x axis in distance less than .. the second equation .... sorry again ..

Answer 5

i have new questions posted