11.2.3 Quiz: Completing the Square Question 1 of 10

2 Points

The function y = -2(x- 3)2 + 4 shows the daily profit (in hundreds of dollars)

of a hot dog stand, where x is the price of a hot dog (in dollars). Find and

interpret the zeros of this function.

Select two answers: one for the zeros and one for the interpretation.

A. Zeros at x - 34 /2

B. The zeros are the hot dog prices that give $0.00 profit (no profit)

C. Zeros at x = 2 and x = 3

D. The zeros are the hot dog prices at which they sell 0 hot dogs.

15 points ! ~ see if you know the answer to both you!

Given abcd ac=38 and ae=3x+4 find the value of x

Runners run around the school's football field. the cross country coach determines that the width of the field is seventy yards shorter than the length. part a write an expression that represents the perimeter of the football field. let x represent the length of the football field. include parentheses in your expression. next, write an equivalent expression that does not include parentheses. what property or properties did you use to simplify? explain. part b the cross country coach later determines that the length of the football field is 120 yards. all students must run five laps. using your answer from part a, determine the actual number of yards that each athlete must run in the tryouts. in order to make the team, students must complete the laps in 6 minutes. how quickly must they run each lap?