If alpha and beta are two roots of the equation 2x^2 +kx+1=0,
find the values of k.

He concluded that a heavier object dropped from the same height as a lighter object will land

Which statements are true? check all that apply. the line x = 0 is perpendicular to the line y = –3. all lines that are parallel to the y-axis are vertical lines. all lines that are perpendicular to the x-axis have a slope of 0. the equation of the line parallel to the x-axis that passes through the point (2, –6) is x = 2. the equation of the line perpendicular to the y-axis that passes through the point (–5, 1) is y = 1.

Factor the expression using gcf 9b+45