Solving Quadratic Equations
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4Algebra 2
3.1 Notes
3.1 (Day One) Solving Quadratic Equations
Date: ______________
Investigating Ways of Solving Simple Quadratic Equations
There are many different ways we can solve quadratic equations, both algebraically and
__________________________. Let’s take a look!
��
Solve the quadratic equation:
��
= ����
Solving Algebraically
Solving by Taking Square Roots
Solving by Factoring
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2
��
= 16
��
= 16
Solving Graphically
Solving by Finding Intersection Points
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��
= 16
2
Reflect. What method would you choose to solve the equation ��
= 5? Why?
2
Can the equation ��
= −9 be solved with any of these methods? Explain.
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