Which of the following is a quadratic equation? 17 x2+9 x-25=0
3 X4+ x+4=0
x3+4x2+7 x+1=0

What is the slope of the line shown below?

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

2x minus y equals 6, x plus y equals negative 3