Chapter 9 Mid-Checkpoint

A(n) _______________ has a value that determines the value of another quantity.

• dependent variable

• equation

• independent variable

A variable whose value is determined by the value of another quantity is called a(n) _______________.

• dependent variable

• equation

• independent variable

Identify the independent and dependent variables:

Marco spends a total of d dollars on postage to mail party invitations to each of g guests.

The dependent variable is:

• d dollars

• g guests

Identify the independent and dependent variables:

Marco spends a total of d dollars on postage to mail party invitations to each of g guests.

The independent variable is:

• d dollars

• g guests

Identify the independent and dependent variables:

Sophie has a doll collection with 36 dolls. She decides to sell s dolls to a museum and has r dolls remaining.

The dependent variable is:

• r dolls remaining

• s dolls sold

Identify the independent and dependent variables:

Sophie has a doll collection with 36 dolls. She decides to sell s dolls to a museum and has r dolls remaining.

The independent variable is:

• r dolls remaining

• s dolls sold

Find the unknown value in the table.

Find the unknown value in the table.

Choose the equation that describes the pattern shown in the table.

The table shows how the number of pepperoni slices used depends on the number of pizzas made.

• y= 32 + x

• y= 17x

• x= 16y

• x= y/17

Choose the equation that describes the pattern shown in the table.

Brayden is training for a marathon. The table shows how the number of miles he runs depends on which week of training he is in.

• m= 2.5w

• w= m-5

• m= w + 5

• w= m + 5