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6-8 Grade 8 Unit 2 Lesson 12

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K-5 Math •6-8 Math 9-12 Math

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Grade 6 Grade 7 •Grade 8

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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

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

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Unit 2, Lesson 12

Using Equations for Lines

Grade 8

Practice

Problem 1

Student Task Statement

Here is a line.

Select all the points that are on the line.

Lesson 12 Resources

Student Materials Student Materials in Spanish

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Problem 2

Student Task Statement

All three points displayed are on the line. Find an equation relating and .

<p>Coordinate plane, first quadrant. Line is drawn through 3 comma 3, x comma y, and 6 comma 9</p><br>

to access Practice Problem Solutions.

Problem 3

Student Task Statement

Here is triangle .

Triangle on graph. A at 2 comma 0, B at 5 comma 0, C at 5 comma 1.<br>

Draw the dilation of triangle with center and scale factor 3.
Draw the dilation of triangle with center and scale factor .
What are the coordinates of the image of point when triangle is dilated with center and scale factor ?

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Problem 4

ForLesson 4: Dilations on a Square Grid

Student Task Statement

Here are some line segments.

<p>Point A, segment B C and 3 other segments, E D, G J and F H.</p><br>

Which segment is a dilation of segment using as the center of dilation and a scale factor of ?
Which segment is a dilation of segment using as the center of dilation and a scale factor of ?
Which segment is not a dilation of segment ? Explain your reasoning.

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