Answer:
17 + 23 = 40
23 - 17 = 6 the other person did it right.
When the vertex is at the origin and the directrix is at y = -2.5, the the parabola must be facing upwards and have a general formula of y = 4a x^2. In this case, a is equal to 2.5 that is, y = 4*2.5 x^2 equal to y = 10 x^2
Answer:
15m=-23
Step-by-step explanation: