Solving Equations and Inequalities Flashcard Review 2024

Front

What does the inequality p >= 4 represent in a real-world context?

Back

It means that you need at least 4 pieces of paper for your math homework.

Front

What does the inequality s <= 140 signify regarding food labeling?

Back

It indicates that for a food to be labeled low sodium, it must contain at most 140 milligrams of sodium per serving.

Front

Solve the equation: 2(3x - 5) = 4x + 6

Back

x = 8

Front

Write the inequality for Sylvia's savings goal of at least $200, starting with $60 and saving $5 per week.

Back

5x + 60 >= 200

Front

Solve the equation: 5 + 3x = 5x - 19

Back

x = 12

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions, showing that one is greater than, less than, or equal to the other.

Front

What is the difference between an equation and an inequality?

Back

An equation states that two expressions are equal, while an inequality shows that one expression is greater than or less than another.

Front

What does the symbol >= mean?

Back

It means 'greater than or equal to'.

Front

What does the symbol <= mean?

Back

It means 'less than or equal to'.

Front

How do you solve the inequality 3x + 5 < 20?

Back

Subtract 5 from both sides to get 3x < 15, then divide by 3 to find x < 5.