A quadratic function is defined by f (x) = x2 - 6x + 19 .Which expression also defines f and best reveals the maximum or minimum of the function?
O x (x – 6) + 19
O (x – 3)2 – 10
O (x – 3)2 + 10
O (x – 3)2 + 9

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.

Line u passes through points (-52, -18) and (-29, 53). line v passes through points (90, 33) and (19, 56). are line u and line v parallel or perpendicular?