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Question about Equations: Quadratic Equation

Subject Math

Math

Source Originais Teachy

Originais Teachy

Topic Equations: Quadratic Equation

Equations: Quadratic Equation

Difficulty Medium

Medium

(Originais Teachy 2023) - Question Medium of Math

In a ski jumping competition, the maximum height of a jump can be modeled by the quadratic equation h = -5t² + 20t, where h is the height in meters and t is the time in seconds after the skier leaves the ramp. What is the time when the skier reaches the maximum height and what is that height?

The skier reaches the maximum height of 30 meters after 2.5 seconds.

The skier reaches the maximum height of 20 meters after 2 seconds.

The skier reaches the maximum height of 15 meters after 3 seconds.

The skier reaches the maximum height of 25 meters after 1 second.

The skier reaches the maximum height of 10 meters after 1.5 seconds.

Answer sheet:

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