Which of the following equations is an example of. inverse variation between variables x and y?

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Ftara spends $219 a month for her car payment and she makes $3,200 a month, what percent of her monthly income is spent on her car payment?