De parabool y = x2 heeft als richtlijn de rechte |
A. \(y=-1\) |
---|---|
B. \(x=-1\) | |
C. \(y=-\frac12\) | |
D. \(x=-\frac12\) | |
E. \(y=-\frac14\) |
[ 6-2573 - op net sinds 2.4.12-(E)-20.6.2025 ]
What is the equation of the directrix of the parabola y = x2 ? |
A. \(y=-1\) |
---|---|
B. \(x=-1\) | |
C. \(y=-\frac12\) | |
D. \(x=-\frac12\) | |
E. \(y=-\frac14\) |