Cross Multiplication Proportional Relationships

Which graph is proportional?

• A

• B

• C and D

• All of the graphs are proportional

Are the ratios proportional?

• Yes

• No

• Proportional

• Non-proportional

When two ratios are equal

• Origin

• Order

• Unit Rate

• Proportional

The value of the ratio of two proportional quantities.

• Percent Rate of Change

• Constant of Proportionality

• Equivalent Fractions

• Relationships

Another name for reciprocal (cross multiplication)

• Multiplicative Inverse

• Equivalent Fractions

• Rate

• Non-Proportional

Proportional ______________ represent a constant rate of change

• Order

• Linear

• Relationships

• Fraction

Select the statement that supports these two ratios being proportional.

• Both cross-products are 216.

• The cross-products are 96 and 486.

• The cross-products are 144 and 324.

Select the statement that supports these two ratios being proportional.

• Both cross-products are 400.

• The cross-products are 160 and 1000.

• The cross-products are 250 and 640.

Select the statement that supports these two ratios being proportional.

• Both cross-products are 3960.

• The cross-products are 2640 and 5940.

• The cross-products are 2904 and 5400.