# 9.4( One ) - 9.4 Linear Inegualities in Two Variables and...

This preview shows pages 1–5. Sign up to view the full content.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 9.4 Linear Inegualities in Two Variables and Systems of Linear Inegualities Linear inequality in two variables - Can be written in one of the forms _‘ I A I 1/ lg . itLLL. Claudia Ax + By < C Ax + By s C / AX+By>CAX+By2C / / z" - A, B, and C are real numbers, A and B are not both 0. An ordered pair is a solution of the linear inequality Graph a Linear Inequality in Two Variables 1)Graph the boundary line found by replacing the inequality sign with an equal sign. If the inequality sign is > or <, graph a dashed boundary line (indicating that the points on the line are not solutions of the inequality). If the inequality sign is 2 or s, graph a solid boundary line (indicating that the points on the line are solutions of the inequality). 2)Choose a point, not on the boundary line, as a test point. Substitute into the original inequality. 3)If a true statement is obtained in Step 2, shade the half-plane that contains the test point. If a false statement is obtained, shade the half-plane that does not contain the test point. Graph 7X + y > -—14 >_?+X‘-'Lf L. m . Graph 3X + By s --2 53 6 ~3X’1 3 4.. :ELx “#3: 5" b N {1/5” 3 Hefni'wp’r (0' > / ,,_ ,2 Ni - /5' “ *r \$10!”: *; R956 5 RUUY) Lori) .3; pa- 3 “ﬁzus [U’ 3[\)+6(I)_€-?—- IL - 3" 6 5 ‘9" , <3 5-. —2 “Font ‘ w; WEE-ax Graph 3X < 15 (ﬂip ﬂ ...
View Full Document

## This note was uploaded on 01/16/2012 for the course MATH 096 taught by Professor Jimcotter during the Fall '11 term at Truckee Meadows Community College.

### Page1 / 5

9.4( One ) - 9.4 Linear Inegualities in Two Variables and...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online