Unit 5 Flashcard 2 Review

Front

What does the inequality 6 > x mean?

Back

It means that x is any number less than 6.

Front

What is the solution to the equation 2x + 4 = 10?

Back

x = 3.

Front

When do you flip the inequality sign?

Back

You flip the sign when you multiply or divide both sides of the inequality by a negative number.

Front

Match the equation 3x - 1 = -4 with its solution.

Back

x = -1.

Front

How do you solve the inequality 7n - 1 > 76?

Back

Add 1 to both sides to get 7n > 77, then divide by 7 to find n > 11.

Front

What is the definition of a variable in mathematics?

Back

A symbol used to represent an unknown value.

Front

What does the equation 3x + 1 = 4 represent?

Back

It represents a linear equation where the solution is x = 1.

Front

What is the solution to the equation x/4 = 5?

Back

x = 20.

Front

What does the term 'inequality' mean?

Back

An inequality is a mathematical statement that compares two expressions using <, >, ≤, or ≥.

Front

How do you graph the inequality n < 5?

Back

You draw a number line and shade to the left of 5, using an open circle at 5.