Question

Find the solutions of the equation.

1/2x^2 - x + 5 = 0

Answer 1

do any of u know of a good on line graphing caculater

Answer 2

dont need you

mulztiplie both sides by 2

what will get ?

Answer 3

x^2 -2x +10 =0

Answer 4

i figured out this problem thank you. i need the calculater for another problem i need to graph but dont have one

Answer 5

What's the other problem?

Answer 6

i figure out the graphing problem but can u help me with this one
You live near a bridge that goes over a river. The underneath side of the bridge is an arch that can be modeled with the function y = -0.000495x2 + 0.619x where x and y are in feet. How high above the river is the bridge (the top of the arch)? How long is the section of bridge above the arch?
A. The bridge is about 193.52 ft above the river and the length of the bridge above the arch is about 625.25 ft

B. The bridge is about 193.52 ft above the river and the length of the bridge above the arch is about 1250.51 ft

C. The bridge is about 1250.51 ft above the river and the length of the bridge above the arch is about 193.52 ft

D. The bridge is about 1250.51 ft above the river and the length of the bridge above the arch is about 625.25 ft