HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPP
1 answer:
You might be interested in
Answer
Explanation
The standard form of a parabola is
where , and
are real numbers.
If it passes through (0,3) then when x = 0, y = 3 so this means that
so .
If it passes through (1,-4), then when x = 1, y = -4 so
If it passes through (-1,4) then when x = -1, y = 4 so
Because both (I) and (II) need to be satisfied, we have the system of equations,
which we can easily solve by adding the two equations up to get
Then we take any of the previous equations to solve for b:
Thus the parabola in standard form is