# ALGEBRA HELP!??????????????????

A golf ball is hit from the ground with an initial velocity of 208 feet per second. How long will it take the golf ball to hit the ground? 13 secs 21 secs 42 secs 6 secs -------------------------------------------------------------------------------- Question 2 (Multiple Choice... show more A golf ball is hit from the ground with an initial velocity of 208 feet per second. How long will it take the golf ball to hit the ground?

13 secs

21 secs

42 secs

6 secs

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Question 2 (Multiple Choice Worth 1 points)

Jules kicks a soccer ball off the ground and in the air with an initial velocity of 25 feet per second. Approximately, how long does it take until the soccer ball hits the ground again?

0.6 sec

0.8 sec

1.6 secs

2.8 secs

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Question 3 (Multiple Choice Worth 1 points)

Amir pitched a baseball at an initial height of 5.9 feet with a velocity of 73.16 feet per second. About how long will it take the ball Amir pitched to hit the ground?

4.66 secs

2.94 secs

2.35 secs

1.47 secs

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Question 4 (Multiple Choice Worth 1 points)

A particle is moving along a projectile path where the initial height is 160 feet with an initial speed of 144 feet per second. What is the maximum height of the particle?

128 feet

224 feet

272 feet

484 feet

Question 5 (Multiple Choice Worth 1 points)

Arianna kicks a soccer ball off the ground and in the air with an initial velocity of 42 feet per second. Approximately what maximum height does the soccer ball reach?

1.3 ft

2.6 ft

26.0 ft

27.6 ft

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Question 6 (Multiple Choice Worth 1 points)

Alexei wants to hang a mirror in his boat but the mirror and frame must not have an area larger than 19.25 square feet. The mirror is 3 feet wide and 5 feet long. Which quadratic equation represents the area of the mirror and frame combined? (The border must have equal width on each side.)

2x2 + 8x − 19.25 = 0

3x2 + 5x − 19.25 = 0

4x2 + 16x − 4.25 = 0

4x2 + 16x + 15 = 0

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Question 7 (Essay Worth 4 points)

Use complete sentences to explain how you would use graphing technology to find the solutions of 0 = −x2 + 2.5x + 1. What do the solutions of 0 = −x2 + 2.5x + 1 represent on the graph of the equation?
4 answers 4