Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 3 - Exercise Set: 79

Answer

$m=\frac{2}{3}$ y-intercept:-5 x-intercept: 7 and 5

Work Step by Step

To find the slope of an equation you need to bring the equation to this form: y=my+b. $-2x+3y=-15<=>3y=-15+2x<=>y=\frac{2}{3}x-5$ The value that x is multiplied by is the slope. To calculate the intercepts of equations you need to set the other variable to 0 and calculate the value of the variable from the intercept: to calculate the y-intercept you set x=0 and the ther way around. $x=0:3y=-15<=>y=-5$ $y=0:-2x=-15<=>x=7,5$
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