The main cables of a suspension bridge are 20 meters above the road at the towers and 8 meters above the center of the road. The bridge is 60 meters long. The cables hang in the shape of a parabola. How long is a vertical cable 15 meters from the center of the bridge? First, write the standard conic form of the parabola.

x^2 =_ ( y - _)

The length of a vertical cable that is 15 meters from the center of the bridge is _ meters. Do not round until the end. Round to the nearest tenth of a meter.

Answer is in the photo. I can only upload it to a file hosting service. link below!

cutt.ly/tz3yDpb

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation:

i have no idea just need points sorry

step-by-step explanation: