Vocabulary
Transformations
Writing Quadratic Equations
Simplifying Radicals
Solving Quadratics
100

What is the vertex?

The turning point of a parabula. 

100

Write an example of vertical transformation of y= x2?

y=x2+ #

y=x2-#

100

What are the factors with zeros at (9,0) and (3,0)?

 (x-9) (x-3)

100

squareroot(80)

4 root(5)

100

Using the Quadratic Formula

x2+5x-6

x=-6

x=1

200

What is the domain?

the x-values (left to right)

200

What transformation happened to y=x2 to have 

y=(x-4)2?

Right 4 

200

What are the factors with zeros at (7,0) and (-2,0)? 

(x-7) (x+2)

200

squareroot (178)

2 root(47)

200

Using the Quadratic Formula

3x2+5x-6

[-5+ root(97)]/6

[-5- root(97)]/6

300

What is the range? 

the y-values (bottom to top)

300

Draw a reflection of y=x2

See board

300

Write a quadratic with zeros at (-2,0) (-3,0)

x2+5x+6

300

squareroot(248)

4 root(2)

300

f(x)= x(x+8)(5-5x)

x= 0

x= -8

x= 1

400

What is the Axis of symmetry of y= x2+4x+2? 

x=-2

400

what is vertex form?

y= a(x-h)2+k

400

Write a quadratic with zeros at (-2,0) (5,0)

x- 3x - 10

400

squareroot(198)

3 root(22)

400

Complete the square

x2+4x+4=0

x=-2

500

How many names for zeros are there and what are they?

zeros

x-intercept

roots

solutions

500

what transformations happened to y=xto get 

y=3(x-4)2-1? 

Stretch 3

Right 4

down 1

500

Write a quadratic with zeros at (-4,0) (8,0)

x- 4x- 32

500

squareroot (1440)

24 root(5)

500

Complete the square: 


x2+18x+40=0

x=-9 + root(41)

x=-9 - root(41)