1. GRAPHING PARABOLAS
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry

2. GRAPHING PARABOLAS
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry

3. GRAPHING PARABOLAS
Find the vertex
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry

4. GRAPHING PARABOLAS
Find the vertex
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry
** plot it on your graph

5. To graph a parabola you need : a) the vertex
GRAPHING PARABOLAS
Find the vertex
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry
** plot it on your graph
This will help you create the axis of symmetry.

6. To graph a parabola you need : a) the vertex
GRAPHING PARABOLAS
Find the vertex
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry
** plot it on your graph
This will help you create the axis of symmetry.
The axis of symmetry is a dashed vertical line through the x – coordinate of the vertex.

7. To graph a parabola you need : a) the vertex
GRAPHING PARABOLAS
Find the vertex
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry
** plot it on your graph
This will help you create the axis of symmetry.
The axis of symmetry is a dashed vertical line through the x – coordinate of the vertex.
Find the y - intercept

8. To graph a parabola you need : a) the vertex
GRAPHING PARABOLAS
Find the vertex
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry
** plot it on your graph
This will help you create the axis of symmetry.
The axis of symmetry is a dashed vertical line through the x – coordinate of the vertex.
Find the y - intercept

9. To graph a parabola you need : a) the vertex
GRAPHING PARABOLAS
Find the vertex
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry
** plot it on your graph
This will help you create the axis of symmetry.
The axis of symmetry is a dashed vertical line through the x – coordinate of the vertex.
Find the y - intercept

10. To graph a parabola you need : a) the vertex
GRAPHING PARABOLAS
Find the vertex
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry
** plot it on your graph
This will help you create the axis of symmetry.
The axis of symmetry is a dashed vertical line through the x – coordinate of the vertex.
Find the y - intercept
** plot it on your graph

11. To graph a parabola you need : a) the vertex
GRAPHING PARABOLAS
Find the vertex
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry
** plot it on your graph
This will help you create the axis of symmetry.
The axis of symmetry is a dashed vertical line through the x – coordinate of the vertex.
Find the y - intercept
** plot it on your graph
- To find the y – intercept’s twin, plot a point that is THE SAME distance from the axis of symmetry…

12. To graph a parabola you need : a) the vertex
GRAPHING PARABOLAS
Find the vertex
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry
** plot it on your graph
This will help you create the axis of symmetry.
The axis of symmetry is a dashed vertical line through the x – coordinate of the vertex.
Find the y - intercept
Find the x - intercepts

13. To graph a parabola you need : a) the vertex
GRAPHING PARABOLAS
Find the vertex
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry
** plot it on your graph
This will help you create the axis of symmetry.
The axis of symmetry is a dashed vertical line through the x – coordinate of the vertex.
Find the y - intercept
Find the x - intercepts
- you can factor or use quadratic equation

14. To graph a parabola you need : a) the vertex
GRAPHING PARABOLAS
Find the vertex
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry
** plot it on your graph
This will help you create the axis of symmetry.
The axis of symmetry is a dashed vertical line through the x – coordinate of the vertex.
Find the y - intercept
Find the x - intercepts
- you can factor or use quadratic equation

15. To graph a parabola you need : a) the vertex
GRAPHING PARABOLAS
Find the vertex
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry
** plot it on your graph
This will help you create the axis of symmetry.
The axis of symmetry is a dashed vertical line through the x – coordinate of the vertex.
Find the y - intercept
Find the x - intercepts
- you can factor or use quadratic equation

16. GRAPHING PARABOLAS
Vertex
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry
y - intercept
x - intercepts
- Now sketch a smooth curve through the points…

17. GRAPHING PARABOLAS
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry

18. GRAPHING PARABOLAS
Vertex
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry
- This example is in standard form so we can locate ( h , k ) for our vertex…

19. GRAPHING PARABOLAS
Vertex
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry
- This example is in standard form so we can locate ( h , k ) for our vertex…
- Recall it is the opposite of what you see inside parens, and exactly what you see outside.

20. GRAPHING PARABOLAS
Vertex
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry
- Recall it is the opposite of what you see inside parens, and exactly what you see outside.
** plot vertex and create axis of symmetry… 16 12 8 4 4 8 12 16

21. GRAPHING PARABOLAS
Vertex
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry
y - intercept 16 12 8 4 4 8 12 16

22. GRAPHING PARABOLAS
Vertex
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry
y - intercept
- Plot the twin… 16 12 8 4 4 8 12 16

23. To graph a parabola you need : a) the vertex
GRAPHING PARABOLAS
Vertex
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry
y - intercept
x - intercepts
- Set equation equal to zero and solve for x … 16 12 8 4 4 8 12 16

24. To graph a parabola you need : a) the vertex
GRAPHING PARABOLAS
Vertex
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry
y - intercept
x - intercepts
- Set equation equal to zero and solve for x … 16 12 8 4 4 8 12 16

25. To graph a parabola you need : a) the vertex
GRAPHING PARABOLAS
Vertex
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry
y - intercept
x - intercepts
- Set equation equal to zero and solve for x … 16 12 8 4 4 8 12 16

26. To graph a parabola you need : a) the vertex
GRAPHING PARABOLAS
Vertex
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry
y - intercept
x - intercepts
- Set equation equal to zero and solve for x … 16 12 8 4 4 8 12 16

27. To graph a parabola you need : a) the vertex
GRAPHING PARABOLAS
Vertex
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry
y - intercept
x - intercepts
- Set equation equal to zero and solve for x … 16 12 8 4 4 8 12 16

28. To graph a parabola you need : a) the vertex
GRAPHING PARABOLAS
Vertex
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry
y - intercept
x - intercepts
- Set equation equal to zero and solve for x … 16 12 8 4 4 8 12 16

29. To graph a parabola you need : a) the vertex
GRAPHING PARABOLAS
Vertex
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry
y - intercept
x - intercepts
- Set equation equal to zero and solve for x … 16 12 8 4 4 8 12 16

30. GRAPHING PARABOLAS
Vertex
To graph a parabola you need :
a) the vertex
b) the y – intercept ( and its twin )
c) the x – intercepts ( if they exist )
d) the axis of symmetry
y - intercept
x - intercepts 16
- Now sketch a smooth curve through the points… 12 8 4 4 8 12 16