Designing Parabolas

Presentation

•

Mathematics

•

9th - 12th Grade

•

Hard

•

CCSS

HSF-IF.C.7C, HSA.APR.B.3

Standards-aligned

Amanda Boyd

Used 1+ times

FREE Resource

3 Slides • 6 Questions

Designing Parabolas

Steps

Determine if you can write a general (only 2 x-intercepts or a double zero) or a specific equation (2 x-intercepts and a 3rd point)
Write down the formula y=k(x-x₁)(x-x₂)
Fill in what you know
If you can only write a general equation make a statement about k. (
$k\epsilon R,\ or\ k\epsilon R^+,\ or\ k\epsilon R^-$ )
If you have a third point, solve for k and then write your equation.

Fill in the Blanks

The formula I need to use is

Type answer...

Fill in the Blanks

x₁and x₂ are

Type answer...

Fill in the Blanks

Write and equation with x-intercepts at (1,0) and (7,0)

Type answer...

Fill in the Blanks

Write and equation with a double zero at (3,0) that opens up.

Type answer...

Fill in the Blanks

Write and equation with x-intercepts at (-3,0) and (2,0) and a vertex at (

Type answer...

,9). Hint: You need to fill in the blank before you start.

Multiple Select

Click all the words that mean x-intecepts

roots

vertex

zeros

y-intercept

solutions

Designing Parabolas

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