Solve x2 + 8x + 22 = 0 by completing the square.
1 answer:
You might be interested in
Correct option:
d. 1.64
<h2>Explanation:</h2>An object is launched vertically upward from a 25 foot platform and is modeled by the following function:
So this is the equation of a parabola because the object is a projectile so it follows the Projectile Motion.
The object fall back to the ground when so:
Since time can't be negative, we only choose the positive value. therefore:
<em>The object fall back to the ground after 1.64 seconds</em>
<em></em>
<h2>Learn more:</h2>Projectile motion: brainly.com/question/12554459
#LearnWithbrainly