Regents Exam: Algebra I August 2016 (Problem 13 of 37)

The video tutorial guides viewers through a problem involving the analysis of a rocket's height data to determine which of four given statements is not valid. The instructor systematically evaluates each statement against the data, concluding that the third statement is not supported by the data. The tutorial emphasizes a methodical approach to problem-solving by verifying each option before making a decision.

What is the first step in determining which statement is not valid?

• Guess the answer based on intuition.

• Ignore the data and make a decision.

• Analyze each statement systematically.

• Choose the statement that seems incorrect.

What was the height of the rocket at launch according to the data?

• 220 feet

• 180 feet

• 200 feet

• 150 feet

How long after launch did the rocket reach its maximum height?

• 4 seconds

• 2 seconds

• 5 seconds

• 3 seconds

Which statement about the rocket's flight duration is incorrect?

• The rocket was in the air for 6 seconds before hitting the ground.

• The rocket was above 300 feet for approximately 2 seconds.

• The rocket reached its maximum height 3 seconds after launch.

• The rocket was launched from a height of 180 feet.

For how many seconds was the rocket above 300 feet?

• 4 seconds

• 2 seconds

• 1 second

• 3 seconds