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5-5 Warm-Up

Last updated almost 5 years ago

4 questions

1

1

1

Question 3

3.

When solving the following quadratic equation what should you do next given: x2 - 25x = 0

1

Question 1

1.

Factor the expression: x2 +11x + 28

(x + 7)(x + 4)

(x - 4)(x - 7)

(x - 4)(x - 7)

(x + 7)(x - 4)

Question 2

2.

When using the square root method to solve the following quadratic equation what should you do next given:
(x + 4)2 = 25

divided both sides by two

subtract 25 from each side 

subtract 4 from each side 

take the square root of each side

Question 4

4.

Little Frufru is standing at the top of a lighthouse. She is 96 feet above the ocean. She tosses a ball into the air. The height, h, of the ball after x seconds is given by h = - 16t2 + 64t + 96. How many seconds does it take for the ball to land in the ocean round to the nearest hundredth of a second.