Manny is repairing a window air conditioning unit on the 11th floor of a building and is approximately 98 off the ground. while working, manny drops his screwdriver. the height (h) of the screwdriver in feet after t secounds of falling from the 11th floor is modeled by the function h= -16^2 + 98. how long will it take for the screwdriver to reach the ground? round to the nearest tenth if neccesary.

Step-by-step explanation:

we have

To find out how long it will take for the screwdriver to reach the ground, find the t-intercept of the function

Remember that

The t-intercept of the function is the value of t when the value of function h(t) is equal to zero

so

equate the function h(t) to zero and solve the quadratic equation

Solve for t

Divide by 16 both sides

square root both sides

the answer is (-8,-5)

step-by-step explanation:

the endpoint to midpoint is half the length. the length is (-2,-1) so when you are at the midpoint just add it to it to find your answer -6+(-2)= -8 and -4+(-1)=-5 so (-8,-5)

answer: the distance

step-by-step explanation:

to calculate the distance d of a line segment with endpoints (x1, y1) and (x2, y2) use the formula d (x2 x1)2 (y2 y1)2. to calculate the midpoint of a line segment with endpoints (x1, y1) and (x2, y2) use the formula