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6-8 Accelerated 7 Unit 5 Lesson 12

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K-5 Math •6-8 Math 9-12 Math

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Accelerated 6 •Accelerated 7

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Unit 1 Unit 2 Unit 3 Unit 4 •Unit 5 Unit 6 Unit 7 Unit 8 Unit 9

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Lesson 1 Lesson 2 Lesson 3 Lesson 4 Lesson 5 Lesson 6 Lesson 7 Lesson 8 Lesson 9 Lesson 10 Lesson 11 •Lesson 12 Lesson 13 Lesson 14 Lesson 15 Lesson 16 Lesson 17 Lesson 18 Lesson 19 Lesson 20 Lesson 21 Lesson 22 Lesson 23 Lesson 24 Lesson 25 Lesson 26 Lesson 27 Lesson 28

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IM K-5 Math
IM 6-8 Math
IM 9-12 Math

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Unit 5, Lesson 12

More Solutions to Linear Equations

Accelerated 7

Practice

Problem 1

For each equation, find \(y\) when \(x=\text-3\). Then find \(x\) when \(y=2\)

\(y=6x+8\)
\(y=\frac23x\)
\(y=\text-x+5\)
\(y=\frac34x-2\frac12\)
\(y=1.5x +11\)

to access Practice Problem Solutions.

Problem 2

Lesson 12 Resources

Student Materials

Do the points \((6, 13)\), \((21, 33)\), and \((99,137)\) lie on the graph of the line defined by the equation \(y=\frac43x+5\)? Explain or show your reasoning.

to access Practice Problem Solutions.

Problem 3

A line can be described by the equation \(y=\frac14 x +\frac54\).

Is \((1,1.5)\) a solution to the equation? Explain your reasoning.
Does the point \((12,4)\) lie on the graph of the line? Explain your reasoning.

to access Practice Problem Solutions.

Problem 4

ForLesson 16: Writing Equations for Lines

Find the coordinates of \(B\), \(C\), and \(D\) if the length of segment \(AB\) is 5 units and the length of segment \(BC\) is 10 units.

line graphed on xy plane with no grid.

to access Practice Problem Solutions.

Problem 5

ForLesson 15: Efficiently Solving Inequalities

Solve the inequality \(5(\text-x - 4) > \text-5\) and graph the solutions on the number line.

Blank number line, 11 evenly spaced tick marks, no labels.

to access Practice Problem Solutions.