Mathematics

Chelsea Cummings

6 July, 13:30

1.) If the equation can be factored, it has rational solutions.

True or False

2.) Any quadratic equation with a real solution can be solved by factoring.

True or False

3) The wheel of a remote controlled airplane falls off while the airplane is climbing at 40 feet in the air. The wheel starts with an initial upward velocity of 24 feet per second. How long does it take to fall to the ground? Set up the equation to determine the time and pick one method to solve it. Explain why you chose that method.

4.) Marcello is replacing a rectangular sliding glass door with dimensions of (x + 7) and (x + 3) space feet. The area of the glass door is 45 feet square feet. What are the length and width of the door? Explain your answer.