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Solve quadratic equations with the quadratic formula
Grade Level
SAT Prep
M130 Solve quadratic equations with the quadratic formula
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A ball's height in meters is modeled by h(t) = -3t
2
+ 24t + 10. Which expression gives all times t, in seconds, when the height is 23 meters?
A
t = (12 ± √105)/6
B
t = (24 ± 2√105)/3
C
t = (-12 ± √105)/3
D
t = (12 ± √105)/3
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