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Elementary Algebra

Lynn Marecek, MaryAnne Anthony-Smith

$Math Studyset 91影视 Explanations$ Math

2nd Edition 路 1240 pages

ISBN: 9780998625713

Chapter 1: Q 1.40 (page 31)

Evaluate $6 x^{2} - 4 x - 7 w h e n x = 2$

Short Answer

Expert verified

The given value of the given expression is 9.

Step by step solution

01

Step 1. Given information.

The given sequence is $6 x^{2} - 4 x - 7 w h e n x = 2$

02

Step 2. Replace x with 2.

$= 6 x^{2} - 4 x - 7 = 6 路 2^{2} - 4 路 2 - 7 = 9$

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Translate the English phrase into an algebraic expression:

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