Solving Quadratic Equations - Quadratic Formula
Presentation
•
Mathematics
•
9th Grade
•
Hard
Joseph Anderson
FREE Resource
9 Slides • 2 Questions
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2
Solve quadratic equation by: (d) quadratic formula
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Image credit to: samsung.com
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1. Write the equation in standard form.
2. Identify the numerical values of the coefficients a, b, and c.
3. Write the quadratic formula.
4. Substitute the numerical values for a, b, and c in the quadratic formula.
5. Simplify to get the exact solution
6. Check the solution.
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Multiple Choice
Identify the value of a, b, and c given the quadratic equation 3x - 5x2 = 10.
a = 3
b = -5
c = 10
a = -5
b = 3
c = -10
a = -3
b = 5
c = -10
a = 10
b = -3
c = - 5
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Multiple Choice
Solve for x.
x2 + 3x - 4 = 0
x = 2 and x = - 2
x = - 4 and x = 1
x = 4 and x = - 1
x = -2 and x = -2
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Oronce O.A., Mendoza M.O. (2019). E-Math Worktext in Mathematics 9, Manila, Philippines: REX Bookstore Inc.
Nivera G.C., Lapinid M.R.C. (2018). Grade 9 Mathematics Patterns and Practicalities 9, Makati City, Philippines: Salesiana Books by Don Bosco Press,
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