Evaluating Equations with Two Variables

What is the algebraic equation for this table?

• y = x + 3

• y = 3x

• y = x ÷ 3

• y = x - 3

Which equation matches the table?

• y = x + 5

• y = 5x

• y = x - 5

• x = y - 5

Which equation matches the table?

• y = x 

• y = 5x

• y = x - 4

• y = x + 4

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The graph shows the total money earned at a fundraising car wash. Which equation can be used to find the total earned y for the number of cars washed x?

• y = x + 5

• y = x/5

• y = x - 5

• y = 5x

What algebraic equation shows the relationship between the independent and dependent variables?

• y = ax

• y = x + 12

• y = -3x

• y = 

Find the 2 missing OUTPUT values.

• 6 & 12

• 4 & 12

• 4 & 2

• 6 & 2

Nancy can type 50 words per minute. Look at the table below to write an equation that matches the data.

• m=50 + w

• w= 50m

• w= 50 + m

• m= 50 - w

Write an equation for this relationship.

• y=18x

• y=18.50x

• y=22.50x

• y=22x

The graph shows the total money earned at a fundraising car wash. Which equation can be used to find the total earned y for the number of cars washed x?

• y = x + 5

• y = x/5

• y = x - 5

• y = 5x