Focus and Directrix

The focus is a _____ that always lies _______ your parabola.

Tags

CCSS.HSG.GPE.A.2

The directrix is a _______ that always lies ________ your parabola.

Tags

CCSS.HSG.GPE.A.2

The __________ from ANY point on the parabola to the ______ is the SAME _________ from that same point to the __________!!

Tags

CCSS.HSG.GPE.A.2

What is the mini formula we use to find the FOCUS?

• 
  

  $\left(h,\ k+p\right)$
  

• $\left(h,\ k-p\right)$

• $\left(-h,\ k+p\right)$

• $\left(-h,\ k-p\right)$

Tags

CCSS.HSG.GPE.A.2

What is the mini formula we use to find the DIRECTRIX?

• 
  

  $y\ =\ k+p$
  

• $y\ =\ h+p$

• $y\ =\ h-p$

• $y\ =\ k-p$

Tags

CCSS.HSG.GPE.A.2

The mini formula we use to find the value of P is ___________.

•  $p\ =\ \frac{1}{4}a$  

•  $p\ =\ \frac{a}{4}$  

•  $p\ =\ \frac{1}{4a}$  

•  $p\ =\ -\frac{1}{4a}$  

Tags

CCSS.HSA.CED.A.4

CCSS.HSA.SSE.A.1

The mini formula we use to find the value of A is _________.

• $a\ =\ \frac{1}{4}p$

• $a\ =\ \frac{p}{4}$

• $a\ =\ -\frac{1}{4p}$

• $a\ =\ \frac{1}{4p}$

Tags

CCSS.HSA.CED.A.4

CCSS.HSA.SSE.A.1

For the following parabola, please give the VERTEX:

 $y\ =\ 3\left(x-6\right)^2+4$  

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

The A.O.S. for the parabola

 $y\ =\ 3\left(x-6\right)^2+4$  is ______.

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

For the parabola

 $y\ =\ 3\left(x-6\right)^2+4$  the value of P is _______.

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.1