Term
| Given y=ax^2, what happens to the graph when a>1? |
|
Definition
| Stretch - graph gets longer and skinner |
|
|
Term
| Given y=ax^2, what happens to the graph when a<0? |
|
Definition
Means "a" is a negative number and the
Parabola flips. |
|
|
Term
| What shape do you get when you graph y=x^2? |
|
Definition
| Parabola - U shaped graph |
|
|
Term
| What shape do you get when you graph y=abs x? |
|
Definition
|
|
Term
| Given the parent graph of y=ax^2, what happens to the graph when y=(x+h)^2? |
|
Definition
| Parabola moves "h" units to the left on the x-axis |
|
|
Term
Given the parent graph of y = ax^2, what happens to the graph when
y = (x - h)^2? |
|
Definition
| Parabola moves "h" units to the right on the x-axis |
|
|
Term
Given the parent graph of y = ax^2, what happens to the graph when
y = x^2 + k? |
|
Definition
| Parabola moves "k" units up on the y-axis |
|
|
Term
Given the parent graph of y = ax^2, what happens to the graph when
y = x^2 - k |
|
Definition
| Parabola moves "k" units down on the y-axis |
|
|
Term
When does a parabola have a maximum?
What is the maximum value? |
|
Definition
When a>0, or when a is positive.
At (0, k) |
|
|
Term
When does a parabola have a minimum?
What is the Minimum value? |
|
Definition
When a<0, or a is negative.
At (0, k) |
|
|
Term
What is the vertex of
y = a(x - h)^2 + k? |
|
Definition
|
|
Term
| When is a quadratic equation in vertex form? |
|
Definition
|
|
Term
| Given y=ax^2, what happens to the graph when a<1? |
|
Definition
Compression - graph gets "fatter"/wider
a<1 is usually a "fraction" |
|
|
