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Big Ideas Math: Modeling Real Life, Grade 6

BI

Big Ideas Math: Modeling Real Life, Grade 6 View details

1. Introduction to Statistics

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Exercise 7 Page 417

Substitute the ordered pair into the given equation and then simplify.

Yes

In an ordered pair, the first coordinate corresponds to the x- value and second to the y- value. ( 4, 9) ⇕ x = 4, y = 9 We can determine whether (4,9) is a solution by substituting it into the equation and simplifying. Let's substitute 4 for x and 9 for y.

y = 6x - 15

x= 4, y= 9

9 = 6* 4 - 15

Multiply

9 = 24 - 15

Subtract term

9 = 9 ✓

We got a true statement. This means that the ordered pair (4,9) is a solution of the equation.

Subchapter links

Try It p.414-415

Self-Assessment for Concepts & Skills p.415

Self-Assessment for Problem Solving p.416

Review & Refresh p.417

Concepts, Skills, & Problem Solving p.417-418