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McGraw Hill Glencoe Algebra 1, 2012

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McGraw Hill Glencoe Algebra 1, 2012 View details

7. Inverse Linear Functions

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Exercise 2 Page 267

Exchange the x- and y-coordinates in each ordered pair.

{(11.8,-3), (3.7,0), (1,1), (-12.5,6)}

Practice makes perfect

We can interpret the given table as a set of ordered pairs.

x	y	Ordered Pair
-3	11.8	(-3,11.8)
0	3.7	(0,3.7)
1	1	(1,1)
6	-12.5	(6,-12.5)

To find the inverse of a relation written as coordinate pairs, we exchange the x- and y-coordinates of each ordered pair.

Given Point	Inverse Point
( -3, 11.8)	( 11.8, -3)
( 0, 3.7)	( 3.7, 0)
( 1, 1)	( 1, 1)
( 6, -12.5)	( -12.5, 6)

Let's write the inverse relation as a data set. {(11.8,-3), (3.7,0), (1,1), (-12.5,6)}

Subchapter links

Check Your Understanding p.267

Practice and Problem Solving p.267-269

H.O.T. Problems p.269

Standardized Test Practice p.270

Spiral Review p.270

Skills Review p.270