Aline on the coordinates plane passes through the point (-7,8) and (-7,20). a line that is parallel to the first line passes through the points (11,-4) and (x,9). find the value x

The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?

Use the discriminant to describe the roots of each equation. then select the best description. 2m2 + 3 = m double root real and rational roots real and irrational roots non-real roots

Pls! does anybody know a shortcut for answering these types of questions in the future?