How would I answer the following vector intersection questions?

question 7 (1 point) Question 16 (1 point) Listen Listen A circle can be defined by an equation x2 + y2 + ax + by + c = 0. Find an equation of The following system is a circle that passes through (-4, 1), (3, 0) and (5,4). 6x + 5y = 1 x2 + y2 -8x +2y +5 =0 x2 + y2 - By - 9 = 0 2x + 3y = 4 Ox2 + y2 -2x - 4 - 0 O x 2 + y2 + 2x - 8y + 5=0 8x - 2y = 5 Consistent and has no solution Question 11 (1 point) Consistent and has a solution Listen Inconsistent and has solution The equations r - 4 - , and 5x + 3y + 42 -20 - 0: Inconsistent and has no solution Are skew lines Are parallel Question 19 (1 point) Coincide ) Listen O Intersect at one point Find the parametric equation of the equation below. Question 15 (1 point) Listen Olxyl = [-2.1] + ([-7,3] Vector 7/= [-2.b.5] has a magnitude of v 38 . Which of the following is correct? Ox - 2+7t y = -1 - 3t O al b= -3 Olx.y] = [2.-1] + #17,-3] Obj b = 3 Ox- -2-7t Odb-o y = 1 + 3t d) two of these are correct Question 20 (1 point) Saved = Listen