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Big Ideas Math Integrated I, 2016

BI

Big Ideas Math Integrated I, 2016 View details

5. Rewriting Equations and Formulas

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Exercise 2 Page 40

Determine what each prompt is asking.

$6 y = 24 - 3 x$ or $24 - 6 y = 3 x$

Practice makes perfect

To begin, let's label each prompt to make discussing them easier.

Name	Equation	Prompt
A	$3 x + 6 y = 24$	Solve for $x .$
B	$24 - 3 x = 6 y$	Solve for $x .$
C	$6 y = 24 - 3 x$	Solve for $y$ in terms of $x .$
D	$24 - 6 y = 3 x$	Solve for $x$ in terms of $y .$

One Possible Answer

Notice that in the table above, C is the only prompt that asks to solve for $y .$ All others ask that we solve for $x .$ Therefore, C does not belong.

Another Possible Answer

From the table, we can also notice that D is the only equation that shows the $x$ term isolated on one side. Because of this, D does not belong.

Subchapter links

Communicate Your Answer p.35

Monitoring Progress p.36-39

Exercises p.40-42