Parts of Quadratics
Linear Equations
Vocabulary in context
Domain and Range
Solving
100
X-Intercepts are a solution to..
Quadratic Functions
100
y=35x+20
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)
100
Identify the solution(s) to the following function:
f(x) = x2+8x+16
x=-4
200
Zeroes are a solution to..
Quadratic Functions
200
A rectangle has a length of (5 + 2x) inches and a width of 10 inches. A triangle has a base of 30 inches and a height of (4x - 10) inches. The area in square inches of the rectangle is equal to the area in square inches of the triangle.
What is the value of x?
5
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)
200
Identify the solution(s) to the following function:
f(x) = x2-121
x=11 and x=-11
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]
300
Solve the following quadratic equation
f(x) = x2-8x+16
x=4
400
What is the point where the parabola crosses the Y axis?
Y-Intercept (0,___)
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)
400
Solve this quadratics by factoring to find the x-intercepts.
x2 + 2x = 3
x = 1 or x = -3
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]
500
Solve this quadratics by factoring to find the x-intercepts.
X2 + 16 = 10x
x = 2 or x = 8