Coordinate Planes with Input Output Tables

The chart below shows pairs of values of x and y that are related. Which rule correctly describes how to find the value of y for each pair in the chart when the value of x is known?

• Add 20 to the value of x.

• Subtract 20 from the value of x.

• Multiply the value of x by 6.

• Divide the value of x by 6.

• 
• 
• 
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What is the value of the missing output?

• 8

• 6

• 4

• 12

• s + 3
• s − 1
• s − 3
• s ÷ 2

Mathematical Equivalence

ON

In the table what is the equation to solve for Y?

• X + 4 = Y

• X + Y = 4

• X x 4 = Y

• X - 4 = Y

What rule could be used to find each Output number?

• Add 2 to the Input number.

• Add 15 to the Input number.

• Multiply the Input number by 4.

• Multiply the Input number by 6.

A table of related values.

• input/ output table

• table of contents

Mrs. Rogers is planning a party. She used a drawing and a function table to determine how many chairs could fit at the tables. How many chairs could fit at 8 tables?

What rule would explain this input output table?

• X times 3= 8

• Y divided by 3= X

• X divided by 3= Y

• Not here