Pre-Algebra

1st Edition

ISBN: 9780618800766

Author: Ron Larson, Lee Stiff, Laurie Boswell, Timothy Kanold

Publisher: Houghton Mifflin-High School

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Question

Chapter 4.3, Problem 53E

(a)

To determine

To find evaluate the expression and then simplify.

(a)

Expert Solution

Answer to Problem 53E

$49$

Explanation of Solution

Given information: $8x2y6x2y2$

Formula Used: Factorisation

Calculation:

$x=2$ and $y=3$

$8x2y6x2y2=8×2×2×36×2×2×3×3$

$8x2y6x2y2=49$

(b)

To determine

To simplify the expression and then evaluate.

(b)

Expert Solution

Answer to Problem 53E

$49$

Explanation of Solution

Given information: $8x2y6x2y2$

Formula Used: Factorisation

Calculation:

$x=2$ and $y=3$

Simplest form of $8x2y6x2y2=43y$

$43y=43×3$

$43y=49$

(c)

To determine

To compare the result.

(c)

Expert Solution

Answer to Problem 53E

Results from parts (a) and (b) are same.

Method (b) requires less work because it needs less calculation.

Explanation of Solution

Given information: $8x2y6x2y2$

Formula Used: Factorisation

Calculation:

Results from parts (a) and (b) are same.

Method (b) requires less work because it needs less calculation.

(d)

To determine

To compare the result.

(d)

Expert Solution

Answer to Problem 53E

Results are same.

Explanation of Solution

Given information: $8x2y6x2y2$

Formula Used: Factorisation

Calculation:

$x=3$ and $y=4$

$8x2y6x2y2=8×3×3×46×3×3×4×4$

$8x2y6x2y2=13$

Simplest form of $8x2y6x2y2=43y$

$43y=43×4$

$43y=13$

So, Results are same.

Chapter 4.3, Problem 52E

Chapter 4.3, Problem 54E

Chapter 4 Solutions

Pre-Algebra

Ch. 4.1 - Prob. 1C Ch. 4.1 - Prob. 2C Ch. 4.1 - Prob. 3C Ch. 4.1 - Prob. 4C Ch. 4.1 - Prob. 5C Ch. 4.1 - Prob. 6C Ch. 4.1 - Prob. 7C Ch. 4.1 - Prob. 8C Ch. 4.1 - Prob. 9C Ch. 4.1 - Prob. 10C

Ch. 4.1 - Prob. 11C Ch. 4.1 - Prob. 12C Ch. 4.1 - Prob. 13C Ch. 4.1 - Prob. 14C Ch. 4.1 - Prob. 15C Ch. 4.1 - Prob. 16C Ch. 4.1 - Prob. 1E Ch. 4.1 - Prob. 2E Ch. 4.1 - Prob. 3E Ch. 4.1 - Prob. 4E Ch. 4.1 - Prob. 5E Ch. 4.1 - Prob. 6E Ch. 4.1 - Prob. 7E Ch. 4.1 - Prob. 8E Ch. 4.1 - Prob. 9E Ch. 4.1 - Prob. 10E Ch. 4.1 - Prob. 11E Ch. 4.1 - Prob. 12E Ch. 4.1 - Prob. 13E Ch. 4.1 - Prob. 14E Ch. 4.1 - Prob. 15E Ch. 4.1 - Prob. 16E Ch. 4.1 - Prob. 17E Ch. 4.1 - Prob. 18E Ch. 4.1 - Prob. 19E Ch. 4.1 - Prob. 20E Ch. 4.1 - Prob. 21E Ch. 4.1 - Prob. 22E Ch. 4.1 - Prob. 23E Ch. 4.1 - Prob. 24E Ch. 4.1 - Prob. 25E Ch. 4.1 - Prob. 26E Ch. 4.1 - Prob. 27E Ch. 4.1 - Prob. 28E Ch. 4.1 - Prob. 29E Ch. 4.1 - Prob. 30E Ch. 4.1 - Prob. 31E Ch. 4.1 - Prob. 32E Ch. 4.1 - Prob. 33E Ch. 4.1 - Prob. 34E Ch. 4.1 - Prob. 35E Ch. 4.1 - Prob. 36E Ch. 4.1 - Prob. 37E Ch. 4.1 - Prob. 38E Ch. 4.1 - Prob. 39E Ch. 4.1 - Prob. 40E Ch. 4.1 - Prob. 41E Ch. 4.1 - Prob. 42E Ch. 4.1 - Prob. 43E Ch. 4.1 - Prob. 44E Ch. 4.1 - 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