Write the equation of a line tangent to a polynomial through a point

Write the equation of a line tangent to a polynomial through a point

Assessment

Interactive Video

Created by

Quizizz Content

Mathematics

11th Grade - University

Hard

The video tutorial explains how to write the equation of a tangent line using the point-slope form. It covers understanding and calculating the slope through limits, simplifying expressions using algebraic methods, and finding the slope at a specific point. The tutorial concludes with writing the final equation of the tangent line.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in writing the equation of a tangent line?

Calculate the area under the curve

Find the midpoint

Determine the slope

Identify the y-intercept

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which formula is used to define the slope of a function at a point?

y = mx + b

F = ma

Limit as H approaches 0 of (F(X + H) - F(X)) / H

Pythagorean theorem

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of substituting X + H into the function?

To find the y-intercept

To calculate the derivative

To determine the maximum value

To simplify the equation

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What mathematical concept is used to expand (X + H)^3?

Binomial expansion

Pythagorean theorem

Quadratic formula

Trigonometric identities

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to cancel out terms in the expanded expression?

To find the y-intercept

To calculate the area under the curve

To simplify the expression for easier calculation

To determine the maximum value

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the slope of the tangent line at the point (2, 12)?

14

16

12

18

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final equation of the tangent line?

y = 14x - 2

y = 14x + 12

y = 14x - 28

y = 14x - 2 + 12