Solve each equation by taking square roots 9r^2 +3=-204

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asked Dec 3, 2017 148k views

1 Answer

Tony Toews · Answer 1 · 2017-12-08T17:12:19+0000

9r² + 3 = -204 |subtract 3 from both sides

9r² = -207 |divide both sides by 9

r² = -23 < 0 NO REAL SOLUTIONS

COMPLEX SOLUTION:

r² = -23 ⇔ r = √(-23) = i√23

Solve each equation by taking square roots 9r^2 +3=-204

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