Solve the Equation for the Indicated Variable $\mathrm { rm } = \mathrm { t } ^ { 2 } - \mathrm { mt }$

question 32

Multiple Choice

Solve the equation for the indicated variable. Assume no denominator is 0.
- $\mathrm { rm } = \mathrm { t } ^ { 2 } - \mathrm { mt }$ , for $\mathrm { t }$

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

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