Algebra I Quardratic Functions

9-1Identifying

100

The standard form of quadratic function.

What is y = ax² + bx + c ?

200

The quadratic function of y + 3x² = -4. (a = ?? b = ?? c = ??)

What is a = -3 b = 0 c = -4?

300

The table of y = 2x² and check if it's a quadraic function.

What is 

       x      | -2 -1 0 1 2

y = 2x² | 8  2  0  2  8

400

The maximum and minumum of the vertex (2, 5).

What is 

minumum = 2

maximum = 5

9-2Characteristics

100

The formula of axis of symmetry.

What is x = -b/2a (fraction)?

200

The zeros in parabola in y = 1/4x² + 1. (Yes or No) and why.

What is no of the parabola? The form does not have a parabola because it is +1, so it has one unit up.

300

The value of a and b with y = 2x² + 4x + 7

What is a = 2, b = 4

400

The vertex of y = 5x² - 10x + 3

What is 1?

9-3Graphing

100

The y-intercept in  y = x² - 4x- 5.

What is (-5) in y-intercept?

200

The second step after find the axis of symetry to graph a quadratic function.

What is finding the vertex?

300

The axis of symmetry of y = x² - 4x - 5

What is 2?

400

The step to graph a function. List 5 

What is 

1. Find the axis of symmetry 

2. Find the vertex

3. Find the y-intercept

4. Find more points for same side

5. Graph it

9-4Transforming

100

f(x) = 2x², g(x) 1/3x² which is more narrower.

What is f(x) is more narrower?

200

The g(x) = 2x² + 2. How is translated.

What is 2 units up?

300

The widest function. f(x) = x² and g(x) -2x² + 6

What is f(x)?

400

The h₁ (t) - -16t² + 64

h₂ -16t² + 144.

The range of the unit between of h₁ and h_2.

What is 80 units?