Math Problem Statement
Write a standard form quadratic equation whose solutions are 3/2 and 5/8
Solution
To write a quadratic equation given its solutions (also called roots), you can use the factored form of the quadratic equation:
Where and are the roots of the equation.
In this case, the given solutions are and . Therefore, we can write the equation as:
We can expand this equation step by step:
Step 1: Multiply the two binomials
First, expand :
Now, simplify the coefficients:
So the expanded expression is:
Step 2: Clear the fractions
To eliminate the fractions, multiply the entire equation by 16 (the least common denominator):
Distribute the 16:
Final Answer:
The quadratic equation in standard form is:
Would you like further details on any of the steps? Let me know if you need additional explanations.
Related questions:
- How do you find the solutions of a quadratic equation using the quadratic formula?
- How do you factor a quadratic equation like ?
- How do you convert a quadratic equation from factored form to standard form?
- What are the conditions for a quadratic equation to have real or complex solutions?
- What is the discriminant, and how does it help in identifying the nature of the roots of a quadratic equation?
Tip: Always check the solutions of the quadratic by substituting them back into the original equation to confirm they satisfy it!
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Equations
Factored Form to Standard Form
Roots of Equations
Formulas
Factored form: a(x - r1)(x - r2) = 0
Expanding binomials: (x - r1)(x - r2) = x^2 - (r1 + r2)x + (r1 * r2)
Theorems
Properties of Quadratic Equations
Suitable Grade Level
Grades 8-10
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