Focus and Directrix Day 1

If a parabola has a focus at (0,3) and a vertex at the origin...what is the equation of the directrix?

• y=3

• y=-3

• x=3

• x=-3

Tags

CCSS.HSG.GPE.A.2

If a parabola has a focus at (0,-3) and a vertex at the origin...what is the equation of the directrix?

• y=3

• y=-3

• x=3

• x=-3

Tags

CCSS.HSG.GPE.A.2

If a parabola has a focus at (3,0) and a vertex at the origin...what is the equation of the directrix?

• y=3

• y=-3

• x=3

• x=-3

Tags

CCSS.HSG.GPE.A.2

If a parabola has a focus at (-3,0) and a vertex at the origin...what is the equation of the directrix?

• y=3

• y=-3

• x=3

• x=-3

Tags

CCSS.HSG.GPE.A.2

If a parabola has a focus at (3,0) and a vertex at the origin...what is the equation of the parabola?

• y²=12x

• y²=-12x

• x²=12y

• x²=-12y

Tags

CCSS.HSG.GPE.A.2

If a parabola has a focus at (-3,0) and a vertex at the origin...what is the equation of the parabola?

• y²=12x

• y²=-12x

• x²=12y

• x²=-12y

Tags

CCSS.HSG.GPE.A.2

If a parabola has a focus at (0,3) and a vertex at the origin...what is the equation of the parabola?

• y²=12x

• y²=-12x

• x²=12y

• x²=-12y

Tags

CCSS.HSG.GPE.A.2

If a parabola has a focus at (0,-3) and a vertex at the origin...what is the equation of the parabola?

• y²=12x

• y²=-12x

• x²=12y

• x²=-12y

Tags

CCSS.HSG.GPE.A.2

Write the equation of the parabola shown...

• y²=8x

• y²=-8x

• x²=8y

• x²=-8y

Tags

CCSS.HSA.CED.A.2

CCSS.HSG.GPE.A.2

Write the equation of the parabola shown if focus is at green point...

• y²=16x

• y²=4x

• x²=16y

• x²=4y

Tags

CCSS.HSG.GPE.A.2