Equations from Tables and Graphs

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

• y = ax
• y = x + 12
• y = -3x
• y = 

Which equation matches the table?

• y = x 
• y = 5x
• y = x - 4
• y = x + 4

Which equation matches the table?

• y = x + 5
• y = 5x
• y = x - 5
• x = y - 5

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

y = x - 6
What is the missing number?

• 12
• 10
• 14
• 13

Choose the best explaination

• Taylor can write 6 words per minute
• Taylor can write 25 words per minute
• Taylor can write 50 words per minute
• Taylor can write 150 words per minute

What is the rate of change (unit rate) for the following graph?

• 80
• 20
• 40
• 160

What is the constant of proportionality (in miles per hour) based on the table?

• 45
• 90
• 135
• 2

Is the graph proportional or non proportional?

• proportional
• non proportional
• both
• neither

Is the graph proportional or non proportional?

• proportional
• non proportional
• both
• neither