Random
Function Forms
Key Features of Quadratic Functions
Adding/subtracting polynomials
Multiplying Polynomials
100
Is this function concave up or concave down?
y = 5x2 + 10x - 2
Concave up
100
The coordinates of the y-intercept for the quadratic function: What is the y - intercept?
y=-2x2 + 5x - 7
What is (0,-7)?
100
The name of the line that divides a quadratic function exactly in half:
What is the Axis of Symmetry
100
Simplify:
(4x2 + 6x + 1) + (5x + 2)
4x2 + 11x + 3
100
Find the product:
(7x + 2) (x + 1)
7x2 + 9x + 2
200
What is the value of "a" for a graph of a quadratic function opening downward.
"a" is negative
or - a
200
What are the 3 quadratic function forms?
Standard/general form, factored form, and vertex form.
200
The name of the point on a quadratic function that will be the maximum or minimum of the function?
What is the vertex?
200
Simplify:
(m - 2m2 - 7) + (3m + 2m2 + 4m4)
4m4 + 4m - 7
200
Find the product:
(r - 2) (8r + 3)
8r2 - 13r - 6
300
Find the coordinates of the y-intercept for the quadratic function:
y=3x2 + 2x - 1
Y-intercept (0, -1)
300
Find the zeros of this quadratic equation:
y = -2(x - 10)(x - 5)
zeros = 10 and 5
or (10,0) and (5,0)
300
How can you tell from the equation if a parabola will have a maximum or minimum?
Whether the a-value is positive (concave up -> minimum) or negative (concave down -> maximum)
300
Simplify:
(6x + 4x2 - 2) - (x + 8x2)
- 4x2 + 5x - 2
300
Find the product:
(2n - 5) (2n + 5)
4n2 - 25
400
Evaluate this function with f(7):
f(x) = -x2 + 3x
What is f(7) = -28
400
What are the zeros of this function?
f(x) = 3(x - 6)(x + 3)
zeros = 6 and -3
400
What are the zeros of this parabola?
zeros = 3 and -1
or x-intercepts = (3,0) and (-1,0)
400
Simplify:
(6 - 7x + 5x3) - (7x + 7x3)
-2x3 - 14x + 6
400
Find the product:
(2n - 5)(8n2 + 7n + 1)
16n3 - 26n2 - 33n - 5
500
What are the other two names for "zeros" of a parabola?
x-intercepts and roots
500
What is the vertex of the parabola described by this equation?
y = -2(x - 4)2 + 2
Vertex: (4,2)
500
What is the axis of symmetry?
x = 1
500
Simplify:
(6x + 4) + (5 - 7x) - (1 + 4x)
-5x + 8
500
(7x + 1) (7x2 - 7x + 7)
49x3 - 42x2 + 42x + 7