Understanding the Difference Quotient

The video tutorial explains how to evaluate the function f(x) = 3 - 6x^2 for different inputs, specifically f(a) and f(a+h). It demonstrates the process of expanding and simplifying expressions, focusing on the difference quotient. The tutorial also provides an alternative method for simplification, ensuring a comprehensive understanding of the topic.

What is the result of substituting 'a' into the function f(x) = 3 - 6x^2?

• 3a^2 - 6

• 3 - 6a

• 3 - 6a^2

• 3a - 6

Tags

CCSS.HSF.IF.A.2

When finding f(a + h), what expression do you substitute into the function?

• a

• h

• a + h

• x + h

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CCSS.HSA.APR.C.5

What is the first step in expanding the expression for f(a + h)?

• Divide the terms

• Subtract the terms

• Multiply the binomials

• Add the terms

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CCSS.HSF-BF.A.1C

What is the purpose of using parentheses when calculating the difference quotient?

• To multiply the terms

• To divide the terms

• To add the terms

• To ensure the entire function is subtracted

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CCSS.HSF.IF.B.6

CCSS.8.F.B.4

What is the common factor in the numerator of the difference quotient?

• 12

• 6

• h

• a

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CCSS.HSF.IF.B.6

CCSS.8.F.B.4

What is the final simplified form of the difference quotient?

• 12a + 6h

• 12a - 6h

• -12a + 6h

• -12a - 6h

Tags

CCSS.HSA.APR.D.6

What happens to the terms 3 and -3 in the numerator during simplification?

• They are divided

• They cancel each other out

• They are multiplied

• They are added

Tags

CCSS.HSA.APR.D.6

What is the result of dividing h by h in the difference quotient?

• 1

• h^2

• 0

• h

Tags

CCSS.6.EE.A.2C

What is the alternative method for simplifying the difference quotient?

• Multiplying terms

• Subtracting terms

• Adding terms

• Dividing each term by h

Tags

CCSS.6.EE.A.2C

What is the purpose of factoring out h in the simplification process?

• To add terms

• To cancel h in the denominator

• To subtract terms

• To multiply terms