Writing equations

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

Look at the table below. Write an equation to match the pattern between m, minutes and bubbles blown, b.

• b = 12(m)
• b= m +12
• b = m ÷ 12
• none of these

Use the equation   m = 8 + d for find how old Mary (m) is if David (d) is 10 years old.

• 80 years old
• 1 year old
• 15 years old
• 18 years old

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 
• y = 5x
• y = x - 4
• y = x + 4

What are the independent quantities in the table?

• {5,6,7,8,9}
• {0,1,2,3,4}
• x
• y

What are the dependent quantities from the table?

• {-3, -2, -1, 0, 1, 2, 3}
• {9, 6, 3, 0, -3, -6, -9}
• x
• y

Your independent variable is graphed on which axis?

• x-axis
• y-axis
• origin

Greg gets paid $6 an hour working in a garden. Use the equation m=6h, where m is the money he makes, and h is the hours he works. How much money does he make if he works 9 hours?

• $15
• $3
• $54
• $53

What is the missing value of the table based on patterns?

• 25
• 50
• 75
• 27