Enlarge shape A by scale factor -2 with centre of enlargement (0,0).
(3,2)
(2.21
А
(2.1)
7
(3,1)
16
4
+7
2
3
5
7
-
-
->
What are the coordinates of the vertices of the image?
Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0