What is the discriminant of the quadratic equation x² – 3 – 2 = 0?​

The variable in a relation who’s value depends on the value of the independent variable is called what?

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )