Question 4 (1 point) Use Raul's method to determine if the solutions to the equation are complex or real.
2x2 + 5x +4= 0
Both are imaginary
Both are real?

Question part points submissions used suppose that 100 lottery tickets are given out in sequence to the first 100 guests to arrive at a party. of these 100 tickets, only 12 are winning tickets. the generalized pigeonhole principle guarantees that there must be a streak of at least l losing tickets in a row. find l.

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.

If the scale factor between two circles is 2x/5y what is the ratio of their areas?