Do the ratios form a proportion

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

What does it mean for two ratios to form a proportion?

Back

Two ratios form a proportion if they are equal to each other.

Front

If the ratio of a to b is equal to the ratio of c to d, what can we say about these ratios?

Back

We can say that a:b = c:d, meaning they form a proportion.

Front

What is the cross-multiplication method used for?

Back

Cross-multiplication is used to determine if two ratios form a proportion by multiplying the outer terms and the inner terms.

Front

If 2:3 and 4:6 are two ratios, do they form a proportion?

Back

Yes, because 2/3 = 4/6 when simplified.

Front

What is an example of two ratios that do not form a proportion?

Back

The ratios 1:2 and 3:4 do not form a proportion because 1/2 is not equal to 3/4.

Front

What is the definition of a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How can you check if two ratios are in proportion?

Back

You can check by cross-multiplying the terms and seeing if the products are equal.

Front

What is the term for the first number in a ratio?

Back

The first number in a ratio is called the antecedent.

Front

What is the term for the second number in a ratio?

Back

The second number in a ratio is called the consequent.