How many solutions are in this problem y=2x^2+9x

Also if u could, could u tell me if I’m correct if I said the discriminate is 81?

Find parametric equations for the line. (enter your answers as a comma-separated list of equations. let x, y, and z be functions of t.) the line in the direction of the vector 5 i + 5 j − 6k and through the point (−4, 4, −2).

What is 32+4 x (16 x 1/2) -2 show your work}

Use the distributive law to multiply. 3(4x + 5y + 6)