12/5 (6A) 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

How do you solve a proportion?

Back

To solve a proportion, you can cross-multiply and then divide to find the unknown variable.

Front

What is the formula to convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator.

Front

What is 25% of 80?

Back

20

Front

How do you convert a decimal to a percent?

Back

To convert a decimal to a percent, multiply the decimal by 100.

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 is a rate?

Back

A rate is a ratio that compares two quantities with different units, such as speed (miles per hour).

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

How do you find the percentage of a number?

Back

To find the percentage of a number, multiply the number by the percentage (as a decimal).

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).