Math Problem Statement
the sum of squares of 2 consecutive numbers is 145, what are the numbers?
Solution
Let the two consecutive numbers be and .
The sum of the squares of these numbers is given by:
First, expand the equation:
Combine like terms:
Subtract 145 from both sides to set the equation to zero:
Divide the entire equation by 2 to simplify:
Next, solve the quadratic equation using the quadratic formula , where , , and .
Calculate the discriminant:
Find the square root of the discriminant:
Apply the quadratic formula:
This gives us two solutions:
Therefore, the two pairs of consecutive numbers are:
- and
- and
So, the numbers are either or ( (-9,
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Equations
Formulas
Quadratic formula
Theorems
-
Suitable Grade Level
Grades 7-9
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