Math Flashcards

1
Q

What is the definition of a derivative?

A

The slope of the tangent line of a function

The derivative refers to the rate of change.

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2
Q

How do you find the slope of the tangent line for a given function at a point?

A

Find the derivative of the function and substitute the x-coordinate to get the slope (y-y1=m(x-x1))

This is a key step in finding the tangent line equation.

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3
Q

What is the standard form formula used to find the y-intercept of a tangent line?

A

y-y1=m(x-x1)

The final formula for the tangent line is derived from this step.

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4
Q

When the tangent line is parallel to another line, what must be true about their slopes?

A

The slopes must be equal

This applies when finding the tangent line parallel to a given line.

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5
Q

When the tangent line is perpendicular to another line, how can you determine the slope?

A

The slope of the tangent line is the negative reciprocal of the given line’s slope

This relationship is crucial for finding perpendicular lines.

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6
Q

List the basic rules of derivation.

A
  • Constant
  • Power
  • Constant multiple
  • Sum
  • Product
  • Quotient
  • Chain
  • Exponential

Logarithmic and trigonometric rules might also be included.

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7
Q

What is the implicit derivation format for a function with respect to a variable?

A

Use the format dy/dx

This is used for deriving functions that involve more than one variable.

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8
Q

What does the rate of change refer to in geometry?

A

It refers to the derivative of a function

This concept is essential for understanding motion and change.

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9
Q

How do you find the instantaneous velocity of an object?

A

Derive the function that describes the object’s distance over time

This gives the slope and thus the instantaneous velocity.

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10
Q

Fill in the blank: The derivative is usually shown as _______.

A

f’, Dx, y’, d/dx, and dy/dx

Alternative notations exist for derivatives.

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11
Q

True or False: The rate of change can be expressed using the chain rule.

A

True

The chain rule is a fundamental concept in calculus.

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