Which of the following equations has both 1 and −3 as solutions?
a. x2 – 2x – 3 = 0
b. x2 + 2x – 3 = 0
c. x2 – 4x + 3 = 0
d. x2 + 4x + 3 = 0

What could explain what happened when the time was equal to 120 minutes

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a.the profit when the unit price is equal to 0b.the unit price(s) when the profit is equal to 0c.the profit when the unit price is greatestd.the unit price(s) when profit is greatest

Question: a) does the given set of points represent a linear function? how do you know? b) assume that the point (-2,4) lies on the graph of a line. what y-values could complete this set of ordered pairs that lie on the same line: (- (hint: there are several correct answ