Notes: Solving by Polynomial Equations by Graphing and Factoring
Name___________________________________________________
Solving Polynomial Equations by Factoring
1.
3. x2 = 14x – 24
2.
4.
Solving Polynomial Equations by Graphing
6.
7.
x2 + 2x = 24
8. -4x2 + 28x – 48 = 0
9. -2x2 + 12x – 16
Characteristics of Graphs of Quadratics
10.
Graph y = x2 -4
Identify the vertex of the quadratic ____________________
Identify the axis of symmetry of the quadratic______________________
Identify the minimum or maximum value of the function________________________
Identify the domain of the quadratic.__________________________
Identify the range of the quadratic_________________________
How many zeros does the graph have? What are the x-intercepts?
_________________________________________
11.
Graph y = x2 +4
Identify the vertex of the quadratic ____________________
Identify the axis of symmetry of the quadratic______________________
Identify the minimum or maximum value of the function________________________
Identify the domain of the quadratic.__________________________
Identify the range of the quadratic_________________________
How many zeros does the graph have? What are the x-intercepts?
_________________________________________
12.
Graph y = 2x2 -4
Identify the vertex of the quadratic ____________________
Identify the axis of symmetry of the quadratic______________________
Identify the minimum or maximum value of the function________________________
Identify the domain of the quadratic.__________________________
Identify the range of the quadratic_________________________
How many zeros does the graph have? What are the x-intercepts?
_________________________________________
Algebra I 2011 Item #5
Algebra I 2014 Item #40
Algebra I 2013 Item #19