cure l httpsimathas rationalreasoning netassessmentshowtest

cure l https://imathas rationalreasoning net/assessment/showtest php?action skip&tos2; Kimmy Bell W17 (Omar S2)> Assessment Due in 6 hours, 29 minutes Due Sat 0204/2017 11:59 pm Show Intro Instructions For each of the following expressions, determine the formula that reverses the process and gives z interms of y Write your answers inthe form \"z Preview b y Preview c, y 2.2a 15 7.4 e, 2(at 3) 3 Points possible: 5 This is attempt 1 of 3 Post this question to forume 552 PM 24/2010

Solution

a) y = 4x

divide both sides by 4:

x = y/4

b) y = 4x/9

x = 9y/4

c) y = 2.2x +15

2.2x = ( y -15)

x = y/2.2 - 15/2.2

d) y= 2(x+3) -3

= 2x + 6 -3

= 2x +3

2x = y -3

x = ( y -3)/2