Answer: 5 is the radius because it is half of 10 in the circle
Step-by-step explanation:
ANSWER: it’s a square. All sides will look the same after turning because all sides LOOK THE SAME lol.
3 is the original number
You have to do reverse operations
23-11=12
12/4=3
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
