Parts of Quadratics
Vocabulary
Vocabulary in context
Domain and Range
100
X-Intercepts are a solution to..
Quadratic Functions
100
What is a u-shaped graph called?
A parabola
100
When the vertex is the highest point of a parabola, what is it called?
A maximum
100
What is the domain of -2x2+9x-2?
(-oo, oo)
200
Zeroes are a solution to..
Quadratic Functions
200
The highest or lowest point of the parabola is called..
Vertex
200
When the vertex is the lowest point of the parabola, what is it called?
A minimum
200
What is the domain of x2-16x+56?
(-oo, oo)
300
Other words for x-intercepts are ...
Solutions, Roots, Zeros
300
What is A in this equation? x2+15x-7
1
300
What are the solution(s)?
There aren't any solutions
300
What is the range of -2x2+10x-3?
(-oo, 9.5]
400
What is the point where the parabola crosses the Y axis?
Y-Intercept
400
What is B in this equation? 7x2+76
0
400
If a parabola's vertex was at (-2, 7), where would the axis of symmetry be?
x=-2
400
What is the range of x2-16x+56?
[-8, oo)
500
What are X intercepts?
Where the graph crosses the x-axis
500
A vertical line that runs through the vertex is called..
Axis of Symmetry
500
Domain of a quadratic function?
All real numbers or all x values
500
What is the domain of -5x2-30x-41?
What is the range of -5x2-30x-41?
Domain: (-oo,oo)
Range: (-oo, 4]