Algebra: Structure And Method, Book 1

(REV)00 Edition

ISBN: 9780395977224

Author: Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher: McDougal Littell

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Concept explainers

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.

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Question

Chapter 1.2, Problem 20WE

To determine

To evaluate: the expression (y⋅y+z)⋅z if y=4 and z=5 .

Expert Solution & Answer

Answer to Problem 20WE

400

Explanation of Solution

Given information:

The expression (y⋅y+z)⋅z

Calculations:

Substitute 4 for y and 5 for z in (y⋅y+z)⋅z to get,

((4)⋅(4)+(5))⋅(5)=((4⋅4)+5)⋅5=(16⋅5)⋅5=80⋅5=400

Chapter 1.2, Problem 19WE

Chapter 1.2, Problem 21WE

Chapter 1 Solutions

Algebra: Structure And Method, Book 1

Ch. 1.1 - Prob. 1OE Ch. 1.1 - Prob. 2OE Ch. 1.1 - Prob. 3OE Ch. 1.1 - Prob. 4OE Ch. 1.1 - Prob. 5OE Ch. 1.1 - Prob. 6OE Ch. 1.1 - Prob. 7OE Ch. 1.1 - Prob. 8OE Ch. 1.1 - Prob. 9OE Ch. 1.1 - Prob. 10OE

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Prob. 28MS

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What is a Linear Equation in One Variable?; Author: Don't Memorise;https://www.youtube.com/watch?v=lDOYdBgtnjY;License: Standard YouTube License, CC-BY

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the expression ( y ⋅ y + z ) ⋅ z if y = 4 and z = 5 .

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To evaluate: the expression (y⋅y+z)⋅z if y=4 and z=5 .

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