Find the equation of the line that contains the given point and is perpendicular to the given line. Write the equation in slope-intercept form, if possible, (-7,-1);y=-7x+9

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

Complete the equation of the live through (-1,6) (7,-2)

Find the equation of the ellipse with the following properties. the ellipse with foci at (0, 6) and (0, -6); y-intercepts (0, 8) and (0, -8).edit: the answer is x^2 over 28 + y^2 over 64 = 1