Q. Re-write the quadratic function below in Standard Formy=3(x+5)2−1Answer: y=
Expand Squared Term: Expand the squared term (x+5)2.Reasoning: To write the quadratic function in standard form, we need to expand the squared term and simplify.Calculation: (x+5)2=x2+2⋅(5)⋅x+52=x2+10x+25
Multiply by Coefficient: Multiply the expanded term by the coefficient 3.Reasoning: The quadratic function has a coefficient of 3 that needs to be distributed to each term in the expansion.Calculation: 3∗(x2+10x+25)=3x2+3∗10x+3∗25=3x2+30x+75
Subtract from Result: Subtract 1 from the result.Reasoning: The quadratic function has a constant term −1 that needs to be included in the standard form.Calculation: 3x2+30x+75−1=3x2+30x+74
Write Final Standard Form: Write the final standard form of the quadratic function.Reasoning: After expanding, multiplying, and subtracting, we have the standard form of the quadratic function.Calculation: y=3x2+30x+74
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