Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Chapter 2 - Functions, Equations, and Graphs - Cumulative Standards Review - Multiple Choice - Page 130: 24

Answer

$\dfrac{3}{2}$

Work Step by Step

To find the slope of a line that is written in standard form, we need to change this equation into the slope-intercept form. The slope-intercept form is given as follows: $y = mx + b$, where $m$ is the slope and $b$ is the $y$-intercept. First, we subtract $3x$ from each side of the equation to isolate the $y$ variable to the left side of the equation: $-2y = -3x - 12$ Let us divide both sides by $-1$ so that all terms are positive and easier to work with: $2y = 3x + 12$ Divide both sides by $2$ to isolate the $y$ by itself: $y = \dfrac{3}{2}x + 6$ Now that we have the equation in slope-intercept form, we can see that the slope ($m$) is $\dfrac{3}{2}$.
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