Method A: I think is 31 because you first have to get out of the negatives which is already 12, then you have to go to positive 19 which is 19 more, so add those and you get 31.
Method B: The absolute value of the difference between the two numbers is positive 31. This is because the absolute value of -12 is 12 and the absolute value of 19 is 19. Just add.

6 0

3 years ago

The quadratic equation y = –6x2 + 100x – 180 models the store’s daily profit, y, for selling soccer balls at x dollars. The quad

Mrac [35]

Sample response:

points of intersection represent when the price and profit are the same for each type of ball.

The intersection points are approximately

(8.16, 236.49) and (1.84, –16.49).

When the store charges $8.16 for each type of ball, they make the same profit from each ball, approximately $236.49.

Charging $1.88 provides no profit for either type of ball.

6 0

4 years ago

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