A line with a slope of 2 passes through the point (3,9). Write an equation for this line in point-slope form.

In the past, professional baseball was played at the astrodome in houston, texas. the astrodome has a maximum height of 63.4 m. the height of a baseball t seconds after it is hit straight up in the air with a velocity of 45 ft/s is given by h = -9.8t2 + 45t + 1. will a baseball hit straight up with this velocity hit the roof of the astrodome? use the discriminant to explain your answer.

Which of the following points is collinear with (-2,1) and (0,3)

State if the two triangles are congruent. if they are, state how you know?