### Home > CALC > Chapter 6 > Lesson 6.1.4 > Problem 6-48

6-48.

On the moon, the acceleration due to gravity is about . An astronaut jumps into the air with an initial upward velocity of

How long is the astronaut off the ground?

What do the zeros of

represent?How far off the ground does the astronaut rise?

Find the

-value of the vertex of. You can use Algebra or Calculus.