1000=-16r^2+1000

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Solution for 1000=-16r^2+1000 equation: 


Simplifying
1000 = -16r2 + 1000

Reorder the terms:
1000 = 1000 + -16r2

Add '-1000' to each side of the equation.
1000 + -1000 = 1000 + -1000 + -16r2

Combine like terms: 1000 + -1000 = 0
0 = 1000 + -1000 + -16r2

Combine like terms: 1000 + -1000 = 0
0 = 0 + -16r2
0 = -16r2

Solving
0 = -16r2

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '16r2' to each side of the equation.
0 + 16r2 = -16r2 + 16r2
Remove the zero:
16r2 = -16r2 + 16r2

Combine like terms: -16r2 + 16r2 = 0
16r2 = 0

Divide each side by '16'.
r2 = 0

Simplifying
r2 = 0

Take the square root of each side:
r = {0}

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