Just Perfect (-_-)
What is 122?
144
Sequence: 5, 10, 15, 20, 25...
Linear Function
Multiply
(x + 2)(x + 4)
x2 + 6x + 8
The mathematical name for the up or down U-shaped curve of a quadratic function.
Parabola
What are the roots (AKA zeros) of this graph?
[See Graph 1]
x = -2 and x = 4
What is √64?
8 or -8
Must include both answers!
Sequence: 3, 6, 12, 24, 48...
Exponential Function
Multiply
(x - 5)(x + 3)
x2 - 2x - 15
This is the vocabulary word for the highest or lowest point on a parabola.
The Vertex
Name the y-intercept of this parabola.
[See Graph 2]
(0, 1) or y =1
Either answer is acceptable.
What is 02?
0
Must include just one answer!
There is no such thing as -0
Sequence: 1, 4, 9, 16, 25...
Quadratic Function
Multiply:
(x - 6)2
x2 - 12x + 36
This is usually the STARTING point for a real world scenario of a quadratic.
Hint: When x=0
The y-intercept
What is the axis of symmetry for:
y = x2 - 8x + 15
[See Graph 3]
x = 4
What are the perfect squares between 100 and 200?
Hint: Yes, including 100
100, 121, 144, 169, 196
Must include all answers in any order!
This type of function has a constant second difference.
Quadratic Function
Multiply:
(2x + 1)(x - 4)
2x2 - 7x - 4
This is the invisible vertical line that passes through the vertex and divides the parabola into two perfectly matching mirror-image halves.
The Axis of Symmetry
Identify the vertex for following:
x2 + 2x + 1
[See Graph 4]
Vertex: (-1 , 0 )
or
x = -1 y = 0
Evaluate:
√(100) + 1
The square root of 100 plus one.
11 or -9
Must include both answers!
Sequence: 2, 5, 10, 17, 26...
Identify the function AND the next number in the sequence.
Quadratic
...37
Multiply:
(3x - 5)(3x + 5)
9x2 - 25
Name two other vocabulary words that mean the exact same thing as "the x-intercepts."
Roots, Zeros, or Solutions
Must have two of these answers!
What are the roots of this graph?
[See Graph 5]
- No solutions
- There are no roots
Either answer is accepted!