4.5 Writing equations & inequalities w/variables on both sides

Front

What does the symbol '<' represent?

Back

Fewer Than

Front

What is the equation to determine how many games need to be purchased for the cost to be equal between an Xbox One and a Playstation 4?

Back

150 + 24x = 180 + 20x

Front

What is the inequality that represents Katie's taxi ride cost if she has no more than $10 to spend?

Back

1.75 + 0.65m < 10

Front

What does the inequality '25 - x < 15 + x' represent in a real-world scenario?

Back

The school band has 25 people, and the theater class has 15 people. How many people must move from the band class to the theater class for the theater class to be as big or larger than the school band?

Front

What is the meaning of the term 'inequality' in mathematics?

Back

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

Front

What is the key word for the symbol '>'?

Back

Greater Than

Front

How do you solve the equation 3x + 5 = 20?

Back

Subtract 5 from both sides: 3x = 15; then divide by 3: x = 5.

Front

What is the key word for the symbol '≤'?

Back

Less Than or Equal To

Front

What is the first step in solving the equation 2x - 4 = 10?

Back

Add 4 to both sides: 2x = 14.

Front

What does the symbol '≥' mean?

Back

Greater Than or Equal To