Angelina went out to eat dinner, and the meal cost $100.00. If Angelina received a 19% discount, what was the total value of the
1 answer:
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All you need to do is plug in the numbers and you'll get the sides.
<h2>Hello!</h2>
The answer is:
The ball will hit the ground after
Since we are given a quadratic function, we can calculate the roots (zeroes) using the quadratic formula. We must take into consideration that we are talking about time, it means that we should only consider positive values.
So,
We are given the function:
Where,
Then, substituting it into the quadratic equation, we have:
Since negative time does not exists, the ball will hit the ground after:
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