Understanding Polynomial Basis and Coordinate Transformation

Understanding Polynomial Basis and Coordinate Transformation

Assessment

Interactive Video

Mathematics

10th - 12th Grade

Hard

Created by

Sophia Harris

FREE Resource

The video tutorial explains how to find the polynomial P(x) relative to the standard basis for P3, given its coordinates relative to an ordered basis B. It covers the concept of ordered basis, how to express a vector as a linear combination of basis vectors, and the process of constructing and simplifying the polynomial using given coordinates. The tutorial concludes with a simplified polynomial expression.

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main goal of the problem introduced in the video?

To identify the ordered basis B

To determine p(x) relative to the standard basis for P3

To calculate the degree of the polynomial p(x)

To find the coordinates of p(x) relative to basis B

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of the ordered basis B in this problem?

It defines the standard basis for P3

It provides a reference for expressing p(x) as a linear combination

It is used to calculate the degree of p(x)

It determines the coefficients of the polynomial

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of scalars in the context of a vector and its basis?

They are used to calculate the magnitude of the vector

They define the order of the basis

They are the coefficients in the linear combination of basis vectors

They determine the dimension of the vector space

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is p(x) expressed using the ordered basis B?

As a difference of the basis polynomials

As a linear combination of the basis polynomials

As a product of the basis vectors

As a sum of the basis vectors

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which polynomial in the basis B is multiplied by the scalar 6?

The first polynomial

The second polynomial

The fourth polynomial

The third polynomial

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in simplifying the polynomial expression?

Integrating the polynomials

Factoring the expression

Distributing the scalars

Combining like terms

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What operation is performed after distributing the scalars in the polynomial expression?

Factoring

Combining like terms

Integration

Differentiation

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final expression of p(x) in the standard basis?

26 + 6x - 72x^2 + 18x^3

4 + 6x - 9x^2 + 2x^3

18x^3 - 72x^2 + 6x + 26

9x^3 + 8x^2 + 4x + 2

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of combining the constants in the polynomial expression?

24

26

54

4