Solve the Equation for the Indicated Variable $r m = t ^ { 2 } - m t$

question 79

Multiple Choice

Solve the equation for the indicated variable. Assume no denominator is 0.
- $r m = t ^ { 2 } - m t$ , for $t$

• A) \(t = \frac { m \pm \sqrt { m ^ { 2 } - 4 m r } } { 4 }\)
• B) \(t = \frac { m \pm \sqrt { m ^ { 2 } + 4 m r } } { 2 m }\)
• C) \(t = m \pm \sqrt { m ^ { 2 } + 4 r m }\)
• D) \(t = \sqrt { m r - m }\)

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