Use elimination to solve the following system of equations for x and y x-3y=-6 2x+5y=21

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

Can someone me i’m confused. will give brainliest and a whole bunch of points

Consider the function represented by the equation 1/2 j + 1/4 k equals 3 which shows the equation written in function notation with j as the independent variable