Learn how to find the width and height of a box with polynomials

Learn how to find the width and height of a box with polynomials

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains how to solve a geometry problem involving the volume of a rectangular safe. The given expression for volume is X^3 - 13X + 12, with one dimension known as X + 4. The tutorial guides through calculating the other dimensions using synthetic division, ensuring the height is greater than the width. It emphasizes understanding volume as a product of length, width, and height, and solving for unknown dimensions using algebraic methods.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the given expression for the volume of the rectangular safe?

X^3 - 13X + 12

X^2 + 4X + 3

X^3 + 13X - 12

X^2 - 4X + 3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in finding the width and height of the safe?

Add the length to the volume

Subtract the length from the volume

Divide the volume by the length

Multiply the volume by the length

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which method is used to divide the polynomial expression for volume?

Factoring

Synthetic division

Long division

Completing the square

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the quadratic expression obtained after division?

X^2 + 4X - 3

X^2 + 4X + 3

X^2 - 4X + 3

X^2 - 4X - 3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which expression represents the height of the safe?

X - 1

X + 3

X - 3

X + 1