Math Problem Statement
The product of two consecutive even integers is 224. Find the integers.
Solution
Let the two consecutive even integers be and .
The product of these two integers is given as 224. Therefore, the equation becomes:
Expanding the equation:
Rearranging it into standard quadratic form:
Now, we solve this quadratic equation using the quadratic formula. The general quadratic formula is:
Here, , , and . Plugging these values into the formula:
Now, solving for both cases:
So, the two possible pairs of consecutive even integers are:
- and
- and
Thus, the two pairs of integers are and , or and .
Would you like more details or have any questions?
Here are some related questions to expand on this concept:
- What is the process of factoring quadratic equations?
- Can we solve quadratic equations without using the quadratic formula?
- What is the significance of discriminants in quadratic equations?
- How can we find the sum of consecutive even integers?
- How can we generalize the formula for the product of consecutive odd integers?
Tip: Always check if a quadratic equation can be factored before using the quadratic formula—it might save time!
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Equations
Even Integers
Formulas
Quadratic equation formula: ax^2 + bx + c = 0
Quadratic formula: x = (-b ± √(b^2 - 4ac)) / 2a
Theorems
Quadratic Formula
Discriminant of a Quadratic Equation
Suitable Grade Level
Grades 7-9
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