Question
The Solving Quadratic Equations Using Patterns Quick Check
Solve the following quadratic equation using the perfect square trinomial pattern: x2-16x+64=0.
Solve the following quadratic equation using the perfect square trinomial pattern: x2-16x+64=0.
Answers
GPT-4o mini
To solve the quadratic equation \( x^2 - 16x + 64 = 0 \) using the perfect square trinomial pattern, we can first recognize that the left-hand side can be expressed as a square of a binomial.
The equation can be rewritten as:
\[
x^2 - 16x + 64 = (x - 8)^2
\]
This follows because:
\[
(x - 8)(x - 8) = x^2 - 8x - 8x + 64 = x^2 - 16x + 64
\]
Now, we can set the squared term equal to zero:
\[
(x - 8)^2 = 0
\]
To solve for \( x \), we take the square root of both sides:
\[
x - 8 = 0
\]
Adding 8 to both sides gives:
\[
x = 8
\]
Thus, the solution to the quadratic equation \( x^2 - 16x + 64 = 0 \) is:
\[
\boxed{8}
\]
The equation can be rewritten as:
\[
x^2 - 16x + 64 = (x - 8)^2
\]
This follows because:
\[
(x - 8)(x - 8) = x^2 - 8x - 8x + 64 = x^2 - 16x + 64
\]
Now, we can set the squared term equal to zero:
\[
(x - 8)^2 = 0
\]
To solve for \( x \), we take the square root of both sides:
\[
x - 8 = 0
\]
Adding 8 to both sides gives:
\[
x = 8
\]
Thus, the solution to the quadratic equation \( x^2 - 16x + 64 = 0 \) is:
\[
\boxed{8}
\]
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