8th Grade Math Semester Exam Review

Front

What is the Pythagorean Theorem?

Back

Front

How do you find the slope of a line given two points?

Back

Front

What does it mean for a relation to be a function?

Back

A relation is a function if every input (x-value) has exactly one output (y-value). This means there cannot be two different outputs for the same input.

Front

How do you determine the distance between two points in a coordinate plane?

Back

Front

What is the definition of an integer?

Back

An integer is a whole number that can be positive, negative, or zero. Examples include -3, 0, and 5.

Front

How do you round a number to the nearest tenth?

Back

To round a number to the nearest tenth, look at the hundredths place. If it is 5 or greater, round up the tenths place by one. If it is less than 5, keep the tenths place the same.

Front

What is the absolute value of a number?

Back

Front

How do you compare negative numbers?

Back

When comparing negative numbers, the number with the greater absolute value is actually the smaller number. For example, -7 is less than -3 because 7 > 3.

Front

What is a rational number?

Back

Front

What is the formula for the area of a triangle?

Back