?
What is the directrix of a parabola whose equation is (y +
3)² = 8(x-3)?
O x = 5
Oy = -5
Ox=1
Oy = -1
Done

Answers

The directrix of the parabola with equation (y + 3)² = 8 · (x – 3) is equal to y = – 5. (Correct choice: B)

What is the directrix of a parabola?

According to the given statement, we have a parabola of the form (y – k)² = 4 · p · (x – h), whose axis of symmetry is parallel to the x-axis. The directrix is always perpendicular to the axis of symmetry and therefore the equation of the directrix is equivalent to x = h – p, where p is the distance from the vertex to the focus.

If we know that the equation of the parabola (y + 3)² = 8 · (x – 3), the equation of the directrix is:

y = – 3 – 2

y = – 5

The directrix of the parabola with equation (y + 3)² = 8 · (x – 3) is equal to y = – 5. (Correct choice: B)

directrixof theparabolawithequation(y + 3)² = 8 · (x – 3) is equal to y = – 5. (Correct choice:B)## What is the directrix of a parabola?

parabolaof theform(y – k)² = 4 · p · (x – h), whoseaxis of symmetryis parallel to the x-axis. Thedirectrixis alwaysperpendicular totheaxis of symmetryand therefore theequation of the directrixis equivalent to x = h – p, where p is the distance from thevertexto thefocus.directrixof theparabolawithequation(y + 3)² = 8 · (x – 3) is equal to y = – 5. (Correct choice:B)parabolae: https://brainly.com/question/21685473