Pre Alg 7 warm up 12/5 & 12/6

Front

What happens to the inequality sign when you multiply or divide both sides by a negative number?

Back

The inequality sign flips.

Front

Back

Front

How do you write an inequality for Sylvia's savings goal of at least $200 if she currently has $60 and saves $5 per week?

Back

Front

What is the least number of cars Lea needs to wash to save at least $240 if she has $30 and earns $14 per car?

Back

Front

What is the total cost of Christmas presents that cost $58.50 with a sales tax of 6.5%?

Back

Front

What are the coordinates of POINT H?

Back

(1, 2).

Front

Back

Multiply both sides by -4 and flip the inequality sign.

Front

Back

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 greater than, less than, or not equal to the other.

Front

What does the symbol '≥' represent in an inequality?

Back

It means 'greater than or equal to'.