Find the value of k for which the equation x² + k(2x + k – 1) + 2 = 0 has real and equal roots.

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

(05.08a)triangle abc is transformed to similar triangle a′b′c′ below: a coordinate plane is shown. triangle abc has vertices a at 2 comma 6, b at 2 comma 4, and c at 4 comma 4. triangle a prime b prime c prime has vertices a prime at 1 comma 3, b prime at 1 comma 2, and c prime at 2 comma 2. what is the scale factor of dilation? 1 over 2 1 over 3 1 over 4 1 over 5

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9