I think it is not possible to find a certain equation from just a given points, it must have more given information because there is a lot of parabola pass throw (-1,1).
ANSWER
Vertex form:
Vertex
V(-4,-11)
EXPLANATION
The given expression is
We complete the square to get the vertex form.
Add and subtract half the square of the coefficient of x.
The vertex is
V(-4,-11)
Answer:
10x+3
Step-by-step explanation:
-2 to the 4th power would -2*-2*-2*-2 4*-2*-2 -8*-2=16 so yes Tim is correct
Let, the total number of students in school that ride the bike to school be "x"
Now,
Using ratio and proportion, we get,
So, out of 800 students, 125 ride their bike to school.