SOLUTION: How far will the shot be horizontally from where Andy releases it when it first lands on the field? Explain your answer. The trajectory of the shot is modelled by equation y=x^2/10

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: How far will the shot be horizontally from where Andy releases it when it first lands on the field? Explain your answer. The trajectory of the shot is modelled by equation y=x^2/10      Log On


   

Question 1074494: How far will the shot be horizontally from where Andy releases it when it first lands on the field? Explain your answer. The trajectory of the shot is modelled by equation y=x^2/10+9x/10+11/5.
Answer by ikleyn(52780) About Me  (Show Source):
You can put this solution on YOUR website!
.
To answer the question, you need to solve the equation

y = 0,   i.e.

x%5E2%2F10 + 9x%2F10 + 11%2F5 = 0.


As the first step, multiply both sides by 10 to rid of the denominators. You will get

x%5E2+%2B+9x+%2B+22 = 0.

Discriminant d = 9%5E2+-+4%2A22 = 81 - 88 = -7  is negative,

So the equation HAS NO real solutions.


It means that your equation does not describe the real physical situation.




Plot y = x%5E2%2F10%2B9x%2F10%2B11%2F5