Question
Re-write the quadratic function below in Standard Form \[ y=-2(x-4)^{2}+8 \]
Ask by Schneider Schultz. in the United States
Feb 19,2025
Upstudy AI Solution
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Answer
The standard form of the quadratic function is \( y = -2x^{2} + 16x - 24 \).
Solution
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The Deep Dive
To convert the quadratic function from vertex form to standard form, we start with: \[ y = -2(x-4)^{2} + 8 \] First, expand the squared term: \[ (x-4)^{2} = x^2 - 8x + 16 \] Now substitute this back into the equation: \[ y = -2(x^2 - 8x + 16) + 8 \] Distributing \(-2\) gives: \[ y = -2x^2 + 16x - 32 + 8 \] Now, combine the constant terms: \[ y = -2x^2 + 16x - 24 \] So the quadratic function in standard form is: \[ y = -2x^2 + 16x - 24 \]