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Understanding Tangent Lines and Derivatives

Understanding Tangent Lines and Derivatives

Assessment

Interactive Video

•

Mathematics

•

9th - 12th Grade

•

Practice Problem

•

Hard

•
CCSS
8.EE.C.7B, 8.EE.B.6, 8.EE.B.5

+3

Standards-aligned

Created by

Sophia Harris

FREE Resource

Standards-aligned

CCSS.8.EE.C.7B
,
CCSS.8.EE.B.6
,
CCSS.8.EE.B.5
CCSS.HSF.IF.A.2
,
CCSS.HSF-IF.C.7A
,
CCSS.8.F.A.3
,
The video tutorial explains how to find the equation of a tangent line to a function f(x) = 1/x^2 - Kx, where K is a constant. The process involves setting K to 3, calculating the derivative, and using it to find the slope at a specific point. The tutorial then determines the y-intercept and combines these to form the final equation of the tangent line.

Read more

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the general form of the function f(x) discussed in the video?

f(x) = x^2 - Kx

f(x) = x^2 + Kx

f(x) = 1/x^2 - Kx

f(x) = 1/x^2 + Kx

Tags

CCSS.8.EE.C.7B

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What value is assigned to the constant k in the video?

5

3

2

4

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the form of the equation for a line?

Y = mx + b

Y = mx - b

Y = m/x - b

Y = m/x + b

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the slope of the tangent line determined?

By evaluating the derivative at x = 6

By evaluating the derivative at x = 3

By evaluating the derivative at x = 4

By evaluating the derivative at x = 5

Tags

CCSS.8.EE.B.5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of the slope m when x = 4?

-5/16

5/16

-3/16

3/16

Tags

CCSS.HSF.IF.A.2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the y-coordinate of the point on the curve when x = 4?

1/2

1/3

1/4

1/5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of b, the y-intercept, in the tangent line equation?

4.5

2.5

3.5

1.5

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