Use the graphing calculator to graph the quadratic function y=2x^2 + 2x -40. what are the zeros of the function

a.4 and -5
b.-4 and 5
c.-5 and -40
d.4 and -40

Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded 1/3 of one rectangle and 1/4 of the other rectangle. what is the least number of parts into which both rectangles could be divided into?

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?