-.25=3.112t-(4.9)t^2

Simple and best practice solution for -.25=3.112t-(4.9)t^2 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for -.25=3.112t-(4.9)t^2 equation:


Simplifying
-0.25 = 3.112t + -1(4.9) * t2

Multiply -1 * 4.9
-0.25 = 3.112t + -4.9t2

Solving
-0.25 = 3.112t + -4.9t2

Solving for variable 't'.

Reorder the terms:
-0.25 + -3.112t + 4.9t2 = 3.112t + -3.112t + -4.9t2 + 4.9t2

Combine like terms: 3.112t + -3.112t = 0.000
-0.25 + -3.112t + 4.9t2 = 0.000 + -4.9t2 + 4.9t2
-0.25 + -3.112t + 4.9t2 = -4.9t2 + 4.9t2

Combine like terms: -4.9t2 + 4.9t2 = 0.0
-0.25 + -3.112t + 4.9t2 = 0.0

Begin completing the square.  Divide all terms by
4.9 the coefficient of the squared term: 

Divide each side by '4.9'.
-0.05102040816 + -0.6351020408t + t2 = 0

Move the constant term to the right:

Add '0.05102040816' to each side of the equation.
-0.05102040816 + -0.6351020408t + 0.05102040816 + t2 = 0 + 0.05102040816

Reorder the terms:
-0.05102040816 + 0.05102040816 + -0.6351020408t + t2 = 0 + 0.05102040816

Combine like terms: -0.05102040816 + 0.05102040816 = 0.00000000000
0.00000000000 + -0.6351020408t + t2 = 0 + 0.05102040816
-0.6351020408t + t2 = 0 + 0.05102040816

Combine like terms: 0 + 0.05102040816 = 0.05102040816
-0.6351020408t + t2 = 0.05102040816

The t term is -0.6351020408t.  Take half its coefficient (-0.3175510204).
Square it (0.1008386506) and add it to both sides.

Add '0.1008386506' to each side of the equation.
-0.6351020408t + 0.1008386506 + t2 = 0.05102040816 + 0.1008386506

Reorder the terms:
0.1008386506 + -0.6351020408t + t2 = 0.05102040816 + 0.1008386506

Combine like terms: 0.05102040816 + 0.1008386506 = 0.15185905876
0.1008386506 + -0.6351020408t + t2 = 0.15185905876

Factor a perfect square on the left side:
(t + -0.3175510204)(t + -0.3175510204) = 0.15185905876

Calculate the square root of the right side: 0.389690979

Break this problem into two subproblems by setting 
(t + -0.3175510204) equal to 0.389690979 and -0.389690979.

Subproblem 1

t + -0.3175510204 = 0.389690979 Simplifying t + -0.3175510204 = 0.389690979 Reorder the terms: -0.3175510204 + t = 0.389690979 Solving -0.3175510204 + t = 0.389690979 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.3175510204' to each side of the equation. -0.3175510204 + 0.3175510204 + t = 0.389690979 + 0.3175510204 Combine like terms: -0.3175510204 + 0.3175510204 = 0.0000000000 0.0000000000 + t = 0.389690979 + 0.3175510204 t = 0.389690979 + 0.3175510204 Combine like terms: 0.389690979 + 0.3175510204 = 0.7072419994 t = 0.7072419994 Simplifying t = 0.7072419994

Subproblem 2

t + -0.3175510204 = -0.389690979 Simplifying t + -0.3175510204 = -0.389690979 Reorder the terms: -0.3175510204 + t = -0.389690979 Solving -0.3175510204 + t = -0.389690979 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.3175510204' to each side of the equation. -0.3175510204 + 0.3175510204 + t = -0.389690979 + 0.3175510204 Combine like terms: -0.3175510204 + 0.3175510204 = 0.0000000000 0.0000000000 + t = -0.389690979 + 0.3175510204 t = -0.389690979 + 0.3175510204 Combine like terms: -0.389690979 + 0.3175510204 = -0.0721399586 t = -0.0721399586 Simplifying t = -0.0721399586

Solution

The solution to the problem is based on the solutions from the subproblems. t = {0.7072419994, -0.0721399586}

See similar equations:

| -.25=3.112t-(-4.9)t^2 | | 5(x-2)-3x=8x-8 | | 12x+18=8x | | (2x-24)=x+2 | | 4c+6c-13=4+11c | | 9s^2-9t^2= | | -4(w+9)=4w-44 | | 2x-3x=69 | | 7p+3q-35p-45q+5r= | | D=r+t | | x+my-3=0 | | X+24+4x=-17-4x-22 | | -9x+36=9(x+6) | | 375x-15=240 | | 4m+1=m+1o | | -2x^3+44x^2-242x= | | 5a-12=13 | | 10m-2=44 | | 3(v+8)=8v-1 | | -3y+6(7y-6)=-6+3(-2-y) | | 7(2-4x)=-14 | | 2[d-(2d+14)+9]=2(d+5) | | 15+240=375 | | [3x+9]=11 | | 375+14=240 | | 216r^2-150= | | 15+375=240 | | y=(8.5-2x)(11-2x)x-25 | | 2x+8=7x-32 | | 375-15=240 | | 1.5+c=20 | | 5x-3y-7x-19y= |

Equations solver categories