12/5 (6B) Rational # Rate Ratio , Coordinate and other stuff

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

What does the term 'rate' mean in mathematics?

Back

A rate is a ratio that compares two quantities of different units, such as miles per hour or price per item.

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 are coordinates?

Back

Coordinates are a set of values that show an exact position on a graph, typically represented as (x, y).

Front

What does the x-axis represent in a coordinate plane?

Back

The x-axis is the horizontal number line in a coordinate plane.

Front

What does the y-axis represent in a coordinate plane?

Back

The y-axis is the vertical number line in a coordinate plane.

Front

How do you convert a percent to a decimal?

Back

To convert a percent to a decimal, move the decimal point two places to the left.

Front

What is the origin in a coordinate plane?

Back

The origin is the point where the x-axis and y-axis intersect, represented as (0, 0).

Front

What is a proportion?

Back

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

Front

How do you solve for k in the proportion 3/5 = k/15?

Back

Cross-multiply to find k: 3 * 15 = 5 * k, so k = 9.