Math Problem Statement
Find two number the have a sum of 23 and a product of 120
Solution
Let's denote the two numbers as and .
We are given the following conditions:
To find and , we can solve this system of equations.
First, express in terms of using the first equation:
Substitute this into the second equation:
This expands to:
Rearrange the equation into a standard quadratic form:
Now, we solve this quadratic equation using the quadratic formula:
For our equation , the coefficients are , , and . Plugging these into the quadratic formula:
This gives us two possible values for :
Thus, the two numbers are and .
Let's verify:
- Their sum:
- Their product:
Both conditions are satisfied, so the two numbers are .
Would you like more details on the solution or have any other questions?
Here are five related questions to expand on this topic:
- How can you solve a system of linear and quadratic equations?
- What are the different methods to solve a quadratic equation?
- Can you always factorize a quadratic equation?
- What is the significance of the discriminant in the quadratic formula?
- How do you solve a quadratic equation when the discriminant is negative?
Tip: When solving quadratic equations, always check if the equation can be factored easily before using the quadratic formula. This can save time and simplify the process.
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Equations
System of Equations
Formulas
Quadratic formula
Theorems
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Suitable Grade Level
Grades 9-12
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