3.Consider the quadratic equation 2x2 – 5x – 3 = 0 (a)What is the value of the discriminant? Explain. 49

(b)How many solutions does the quadratic equation have and are those solutions rational, irrational, or nonreal? Explain.

(c)If the quadratic equation has real solutions, what are the solutions? Explain. Estimate irrational solutions to the nearest tenth.

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil