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Big Ideas Math: Modeling Real Life, Grade 7

BI

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

5. Dividing Rational Numbers

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Exercise 5 Page 77

Terms are separated by + or - signs. Coefficients are numbers that are multiplied by variables. Constants are numbers with no variable factors.

Terms: 14, z, and 6f
Coefficients: 1 and 6
Constants: 14

Practice makes perfect

An algebraic expression is a combination of numbers, variables, and mathematical operations. Terms are separated by + or - signs. With this information in mind, let's identify the terms in the given expression. 14 + z + 6f

We can see that the expression has three terms, 14, z, and 6f. Next, we will identify the coefficients and constants. A coefficient is a number that is multiplied by a variable or variables. Variables on their own, without a number next to them, actually have a coefficient of 1. A constant is a number with no variable factors. 14+z+6f ⇕ 14+ 1z+ 6f The expression has two coefficients, which are 1 and 6, and a constant, which is 14. Let's organize this information in a table.

Terms	Coefficients	Constants
14, z, and 6f	1 and 6	14

Subchapter links

Try It p.74-75

Self-Assessment for Concept & Skills p.75

Self-Assessment for Problem Solving p.76

Review & Refresh p.77

Concept, Skills, & Problem Solving p.77-78