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Big Ideas Math: Modeling Real Life, Grade 7

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Big Ideas Math: Modeling Real Life, Grade 7 View details

5. Graphs of Proportional Relationships

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Exercise 7 Page 215

When dividing one real number by another, the quotient will be positive if the signs are the same and it will be negative if the signs are different.

11

Practice makes perfect

When dividing one real number by another, the quotient will be positive if the signs are the same and it will be negative if the signs are different. cc Same Sign & Different Signs (+) ÷ (+)=(+) & (+) ÷ (-)=(-) (-) ÷ (-)=(+) & (-) ÷ (+)=(-)

In our case, both numbers are negative. Therefore, the quotient is positive. -44÷(-4) = 11 We can verify this using a calculator.

Subchapter links

Try It p.212-213

Self-Assessment for Concept & Skills p.213

Self-Assessment for Problem Solving p.214

Review & Refresh p.215

Concept, Skills, & Problem Solving p.215-216