Which is an equation of a direct proportion?

y=13x−2

y=3x

y=−3x+4

y=−3x

A, b, c, and d have the coordinates (-8, 1), (-2, 4), (-3, -1), and (-6, 5), respectively. which sentence about the points is true? a. a, b, c, and d lie on the same line. b. and are perpendicular lines. c. and are parallel lines. d. and are intersecting lines but are not perpendicular. e. and are parallel lines.

Find the value of x. round the length to the nearest tenth

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]