Solved

Solve
- 4r2+24r=194 r ^ { 2 } + 24 r = - 19

Question 21

Multiple Choice

Solve.
- 4r2+24r=194 r ^ { 2 } + 24 r = - 19


A) 24±172\frac { - 24 \pm \sqrt { 17 } } { 2 }
B) 6±552\frac { - 6 \pm \sqrt { 55 } } { 2 }
C) 6±172\frac { - 6 \pm \sqrt { 17 } } { 2 }
D) 6±178\frac { - 6 \pm \sqrt { 17 } } { 8 }

Correct Answer:

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