Anonymous Anonymous

20-04-2016
Mathematics

Answered

Consider the equation y 5x

15

Find yifx

BFind x if y 50.
CDescribe how you can use a table or a graph to answer parts (a)

and (b)

Investigation 3

Consider the equation y 5x 15 Find yifx b. Find x if y 50. c. Describe how you can use a table or a graph to answer parts (a) and (b) Investigation 3 class=

Verified Answer :

20-04-2016

y=5x-15

a)
y= (5x1) - 15
y= 5-15
y=-10

----------
b)
50=5x-15
-5x=-15-50
-5x=-65
x= -65/-5
x=13

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