Quadratics Area and Vertical Motion

A tennis player hit a ball in a vertical trajectory. If the initial height of the ball was 6 feet and the initial velocity was 64 feet per second, how high did the ball go?

• 64 feet

• 70 feet

• 82 feet

• 110 feet

• 100 feet

• 64 feet

• 140 feet

• 88 feet

• t = 3 seconds

• t = 10 second

• t = 4 seconds

• t = 2 seconds

What is the maximum height the ball reaches?

• vertex

• x-intercept

• y-intercept

• point on the graph

240 ft

256 ft

265 ft

230 ft

• 240 ft

• 256 ft

• 265 ft

• 230 ft

If each mark on the x-axis represents one second, when did the object reach the ground?

• 2.5 seconds

• 6 seconds

• 5.5 seconds

• 5 seconds

Which of the following represents a quadratic function?

• 1

• 3

• 2

• 5

• 4

y = x² - 4x + 5

• down and down

• down and up

• up and down

• up and up

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