The scale dilation is 3.
Explanation:
The pre- image has a length of 3 and the image has a length of 9. 3 * 3 = 9
The pre-image has a height of around 2.66666 repeating and the image has a height of 8. 2.666 repeating * 3 ≈ 8
Answer:
They're both parabolas.
One is a parabola opening up (blue), the other one is opening down.
Step-by-step explanation:
In dutch, we call them what can be translated as mountain-parabolas and valley-parabolas.
I also saw the terms "concave up" and "concave down".
2x -4xydy/dx+ 2ydy/dx= 0
(2y-4xy) dy/dx = -2x
dy/dx = -2x / 2y-4xy
Answer:
z=-5
Step-by-step explanation:
divide -77.5 by 15.5, which equals -5