Write an equation of the parabola in intercept form that passes through (0, −18) with x-intercepts of 1 and -4

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

Solve 2x2 + 8 = 0 by graphing the related function. there are two solutions: . there are no real number solutions. there are two solutions: 2 and -2

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?