Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 4 - An Introduction to Functions - 4-2 Patterns and Linear Functions - Mixed Review - Page 245: 26


Let number of mustard packages used represent y and let number of hot dogs sold represent x Equation: y=2x Table: X | Y (0 , 0) (1 , 2) (2 , 4) (3 , 6) (4 , 8)

Work Step by Step

We can model the relationship through the equation y=2x because since the number of mustard packages used is twice the amount of the number of hot dogs sold, the slope becomes 1 and since there are no other variables, the y-intercept become (0,0), thus forming the equation. The table can be formed by plugging in any value for x and then solving for y. For example: (Plugging in 2 for x) y=2x y=2(2) y=4 This forms the ordered pair (2,4).
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