Homework Help: Algebra

Posted by Angie on Thursday, October 11, 2012 at 4:55pm.

I cannot solve the problem please help me.
I'm suppose to set the equations up to solve for t.

x = y + rt + at^2/2

Even when I plug in the values I don't get the answer.
x = 16.4 y= 0 r= 0*cos(45)a=0 t is suppose to equal 2.32 if I set the problem up correctly.

Algebra - bobpursley, Thursday, October 11, 2012 at 5:01pm
plug in the numbers.

Put it in standard form.

Ax^2+Bx+C=0 (note A is not a in your equation).

then use the quadratic equation.

x=(-b+-sqrt(b^2-4ac))/2A

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