What is a complex fraction?

• A really hard fraction to figure out 
• A fraction with a fraction in the numerator, denominator, or both 
• A fraction multiplied by a decimal
• A fraction with an exponent 

In a proportional relationship, the ratios...

• are all equal

• are not equal

Tags

CCSS.6.RP.A.3A

A proportional relationship can be written as an equation in the form ____ = _____  _____

• y = k+x
• y = k-x
• y = kx
• y = k/x

Tags

CCSS.7.RP.A.2C

Which equation helps you solve for the constant of proportionality, k?

• k = x/y

• k = y/x

• k = y + x

• k = 2x

Tags

CCSS.7.RP.A.2B

Anna is on a road trip. She uses  $\frac{3}{4}$  of a tank of gas every  $\frac{9}{2}$  hours. How much gas does Anna use each hour?

• 6 tanks

• 9 tanks

• 1/6 tanks

• 1/9 tanks 

Tags

CCSS.7.RP.A.1

Anna is on a road trip. She uses  $\frac{3}{4}$  of a tank of gas every  $\frac{9}{2}$  hours. How many tanks of gas will Anna use after 12 hours? 

• 6 tanks

• 2 tanks

• 1 1/3 tanks

• 2 1/6 tanks 

Tags

CCSS.7.RP.A.1

Water leaks through a roof and collects in a bucket. The table shows how many cups of water collect in the bucket for different numbers of hours. What is the constant of proportionality for hours to cups of water?

• 1/6

• 1/3

• 3

• 6

Tags

CCSS.7.RP.A.2B

The graph models the proportional relationship between the amount of money Tessa earns and the hours she works. Select all statements that are true.

• The point (1, 12.5) means Tessa makes $1.00 in 12.5 hours.

• The point (1, 12.5) identifies the constant of proportionality.

• The point (0, 0) means the constant of proportionality is 0.

• The point (0.5, 6.25) means that Tessa earns $6.25 every half hour.

Tags

CCSS.7.RP.A.2D

Companies A and B produce phone chargers. Company A makes 15 phone charges when Company B makes 20 phone chargers. When Company A makes 30 phone chargers, how many phone chargers does Company B make?  $\frac{15}{20}=\frac{30}{x}$  Since 30 = 15 $\cdot$  2,

  $x=$  _____  $\cdot$  2

Emerson pays $227.25 for 3 new windows. Write an equation that represents the cost, c, for w windows.

Tags

CCSS.6.EE.C.9