In the xy-plane, line l passes through the point (-1, 3) and the vertex of the parabola with equation above. What is the slope of line l?
A.
B.
C.
D.
Answer:C
In the xy-plane, line l passes through the point (-1, 3) and the vertex of the parabola with equation above. What is the slope of line l?
A. B. C. D.
Explanation: C