Cross Products

Front

Cross Products of a proportion are _________ equal.

Back

ALWAYS

Front

What is a proportion?

Back

An equation with two equivalent ratios separated by an equal sign.

Front

True or False: A proportion is the SAME EXACT thing as an equation.

Back

False, a proportion is a BRANCH of 'equation'- it is a TYPE of equation, not the same thing.

Front

What is the constant of proportionality?

Back

The constant ratio in a proportional relationship.

Front

If a/b = c/d, what is the cross product?

Back

ad = bc.

Front

What does it mean if two ratios are equivalent?

Back

They represent the same relationship or proportion.

Front

How can you check if two ratios are proportional?

Back

By cross-multiplying and checking if the products are equal.

Front

What is an example of a proportion?

Back

1/2 = 2/4.

Front

What is the relationship between fractions and proportions?

Back

Fractions can be used to express proportions.

Front

If 3/4 = x/8, what is the value of x?

Back

x = 6.