Independent and Dependent Variables

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

• b = 12m

• b= m +12

• b = m ÷ 12

• none of these

What equation matches the table?

• y=6x

• y=x+10

• y=x -10

• y=x ÷ 6

Write the equation for the table...

• y=x-4

• y=x+8

• y=x-8

• y=x+4

Write the equation for the table...

• x=y+13

• y=x+13

• y=x-13

• x=y-13

When Jessica studies for her math test she earns a better grade. Which is the dependent variable in this situation: the hours studied or the math test grade?

• Hours studied

• They are both dependent

• Neither

• Math test grade

Mike reads 5 pages an hour. The independent variable is time. What is the dependent variable?

• the number of books

• the number of hours

• the number of pages

Write an equation that represents the relationship between the variables in the table.

• There is no equation from this table.

• t=10d

• t=10-d

• d=t+10

A ​ ​ ​ (a)   variable changes in response to another variable.

• dependent

• independent

An ​ ​ (a)   variable causes the ​ (b)   variable to change..

• independent

• dependent

What is the dependent variable in the statement? The number of pages read, p, and the time spent reading, t

• Dependent variable: p

• Dependent variable: t