Concept explainers
Find the solution.
Answer to Problem 64PFA
1.77 seconds
Explanation of Solution
Given Information:
Formula Used: Quadratic formula
Calculation:
The quadratic equation gives the height of the scaffolding from its starting position, which is 50 feet above ground.
To find time it takes to drop 50 feet, means the ground level, where height is equal to 0 Or,
So, simplify
Now,
Now,
Hence,
So, it takes the scaffolding about 1.77 seconds to drop 50 feet.
Chapter 9 Solutions
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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