What is the vertex of the quadratic function below?
y - 3x - 12x +17
O A. (2,5)
O B. (-2,-5)
C. (3, 17)
D. (-3, 17)

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.