SOLUTION: I have a problem that when I solve it, it seems something is going wrong and I am getting a strange solution. The problem is 0=-16T^2+5T+15 I know that a=-16 and b=5 and c=15 w

Question 195150This question is from textbook
: I have a problem that when I solve it, it seems something is going wrong and I am getting a strange solution. The problem is 0=-16T^2+5T+15 I know that a=-16 and b=5 and c=15 we have to use the quadratic formula x=-b+sqrtb^2-4ac
Please help me!!!! thank you soo much This question is from textbook

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

Start with the given equation.

Notice we have a quadratic equation in the form of where , , and

Let's use the quadratic formula to solve for t

Start with the quadratic formula

Plug in , , and

Square to get .

Multiply to get

Rewrite as

Add to to get

Multiply and to get .

or Break up the expression.

or Reduce

So the answers are or

which approximate to or

RELATED QUESTIONS
I have a problem to solve it is 3x+2y=4 5x-4y=3 A. (1,0.5) B. (0.5,1) C. (5,5.5) (answered by Alan3354)

`I have a problem to solve it is 3x+2y=4 5x-4y=3 A. (1,0.5) B. (0.5,1) C. (5,5.5) (answered by IBRAHIM92)

I need help. I am trying to solve addition and subtraction of rational numbers problem. I (answered by ankor@dixie-net.com)

I have three problems that do not have instructions as to what to do. I see the equal... (answered by ntnk)

I have been working on this problem and feel kind of stuck: --------------- "Consider (answered by Alan3354)

A vacant lot is being converted into a community garden. The garden and the walkway... (answered by ikleyn)

Ok so i've done this problem at least 20 times and i don't know what i am doing wrong!... (answered by stanbon)

I have a problem where I need to solve the equation (2/t)= (t/5t-12) and the lcd will... (answered by stanbon,ankor@dixie-net.com)

1.1(2.6)^2x = 6(4.4)^x I have to solve for x and I need the exact solution, not a... (answered by rapaljer)