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Skills Practice Workbook - Glencoe

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16–1<br />

<strong>Skills</strong> <strong>Practice</strong><br />

Solve each system of equations by graphing.<br />

1. y � x 2. y � 2x � 4 3. y � x � 1<br />

y ��x � 2 (1, 1) y ��x � 1 (�1, 2) y ��x � 5 (�2, �3)<br />

y<br />

y � �x � 2<br />

y � x<br />

O<br />

(1, 1)<br />

x<br />

(�1, 2)<br />

4. y � x � 5 5. y � x � 4 6. y ��x<br />

y ��x � 1 (3, �2) y ��x � 2 (�3, 1) y ��3x � 4 (2, �2)<br />

O<br />

y<br />

y � �x � 1<br />

y � x � 5<br />

x<br />

(3, �2)<br />

7. y � 2x � 1 8. y � x � 6 9. y � x � 1<br />

y � 3x � 2 (�1, �1) y ��2x � 6 (4, �2) y ��x � 5 (3, 2)<br />

y<br />

y � 3x � 2<br />

y � 2x � 1<br />

O x<br />

(�1, �1)<br />

O<br />

10. y � x � 5 11. y � x � 1 12. y ��x � 1<br />

y ��3x � 1 (�1, 4) y � 2x � 4 (�3, �2) y ��2x � 5 (4, �3)<br />

y<br />

y � x � 5<br />

(�1, 4)<br />

y � �3x � 1<br />

O<br />

x<br />

NAME DATE PERIOD<br />

Solving Systems of Equations by Graphing<br />

© <strong>Glencoe</strong>/McGraw-Hill 91 Geometry: Concepts and Applications<br />

y<br />

y � 2x � 4<br />

y<br />

y � x � 4<br />

y � �x � 1<br />

(�3, 1)<br />

x<br />

O x<br />

y � �x � 2<br />

y<br />

y � �2x � 6<br />

O<br />

(4, �2)<br />

y � x � 6<br />

y<br />

y � 2x � 4<br />

x<br />

y � x � 1<br />

O x<br />

(�3, �2)<br />

y<br />

y � x � 1<br />

O x<br />

(�2, �3)<br />

y � �x � 5<br />

y<br />

y � �3x � 4<br />

O<br />

y � �x<br />

y<br />

y � �x � 5<br />

x<br />

(2, �2)<br />

(3, 2)<br />

O<br />

y � x � 1<br />

O<br />

y<br />

x<br />

y � �2x � 5<br />

y � �x � 1<br />

(4, �3)<br />

x

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