Unit 4 Test

Front

What is the process to clear fractions in an equation?

Back

To clear fractions, multiply every term in the equation by the least common denominator (LCD) of all the fractions present.

Front

Back

Front

Back

The least common denominator is 7.

Front

What does it mean to isolate a variable in an equation?

Back

Isolating a variable means rearranging the equation so that the variable is on one side and all other terms are on the opposite side.

Front

Back

The first step is to eliminate the fraction by multiplying the entire equation by 7.

Front

Back

Front

Define 'equation' in mathematical terms.

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing one or more variables.

Front

What is the importance of checking your solution after solving an equation?

Back

Checking your solution ensures that the value satisfies the original equation, confirming its correctness.

Front

What is a variable in mathematics?

Back

A variable is a symbol, often represented by letters, that stands for an unknown value in an equation or expression.

Front

Explain the term 'linear equation'.

Back

A linear equation is an equation of the first degree, meaning it has no exponents greater than one and graphs as a straight line.