Math 8 SOL Review

Front

What is simple interest?

Back

Simple interest is calculated using the formula: I = PRT, where I is the interest, P is the principal amount, R is the rate of interest per year, and T is the time in years.

Front

How do you calculate the total balance after applying simple interest?

Back

Total Balance = Principal + Interest. Use the formula: Total Balance = P + (P * R * T).

Front

What is the formula for solving linear equations?

Back

The general form is Ax + B = C, where A, B, and C are constants.

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, perform inverse operations to both sides of the equation until the variable is alone on one side.

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction a/b, where a and b are integers and b ≠ 0.

Front

What is an irrational number?

Back

An irrational number cannot be expressed as a simple fraction; its decimal representation goes on forever without repeating.

Front

How do you find the range of a set of numbers?

Back

The range is the difference between the highest and lowest values in a set.

Front

What is the square root of a number?

Back

The square root of a number x is a value that, when multiplied by itself, gives x.

Front

How do you determine if a number has a square root between two integers?

Back

Find the squares of the two integers; if the number lies between these two squares, its square root will be between those integers.

Front

What is the process for solving a linear equation with parentheses?

Back

Use the distributive property to eliminate parentheses, then combine like terms and isolate the variable.