Help Me WITH ALGEBRA

1. Which equation would best help solve the following problem?

Hideki throws a baseball ball upward with an initial velocity of 12 meters/sec. When he throws the ball, it is two meters above the ground. How long will it take the ball to hit the ground?

–16t²+ 12t + 2 = 0
  –4.9t² + 12t + 2 = 0
  –4.9t² + 12t = 2
  4.9t² + 12t + 2 = 0

Question 2.2. Which equation would best help solve the following problem?

Sandy releases a javelin 1.6 meters above the ground with an initial vertical velocity of 25 meters per second. How long will it take the javelin to hit the ground?

–16t² + 25t + 1.6 = 0
  –4.9t² + 1.6t + 25 = 0
  –4.9t² + 25t + 1.6 = 0
  –4.9t²+ 252t = 1.6

Question 3.3. Which equation would best help solve the following problem:

Petra throws a ball up with an initial vertical velocity of 35 feet per second from a platform that is at ground level. How long will the ball be in the air?

16t² + 35t = 0
  –4.9t² – 35t = 0
  –16t² – 35t = 0
  –16t²+ 35t = 0

Question 4.4. Which equation would best help solve the following problem:

Brett kicks a field goal with an initial vertical velocity of 42 meters per second. How long will it take the football to hit the ground?

–16t²+ 42t = 0
  16t² + 42t = 0
  –4.9t² – 42t = 0
  –4.9t² + 42t = 0

Question 5.5. Sandra throws an object into the air with an initial vertical velocity of 38 feet per second, from a platform that is 30 feet above the ground. How long will it take the object to hit the ground?

1 second

2 seconds

3 seconds

4 seconds

Help Me WITH ALGEBRA

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