90 likes | 251 Views
Notes P.3 – Linear Equations and Inequalities. I. Properties of Equality:. Let u, v, w, and z be real numbers, variables, or algebraic expressions. II. Confirming Solutions. A. Substitution – NEVER PLUGGING IT IN !!!! B. Graphically. III. Solving ax +b = c.
E N D
I. Properties of Equality: Let u, v, w, and z be real numbers, variables, or algebraic expressions
II. Confirming Solutions A. Substitution – NEVER PLUGGING IT IN !!!! B. Graphically
III. Solving ax +b = c A. By Hand – Isolate the variable and coefficent B. By TI-83+/84 1.) Y1 = ax+b 2.) Y2 = c 3.) GRAPH – 2nd CALC – INTERSECT – ENTER – ENTER - ENTER
IV. Properties of Inequalities: Let u, v, w, and z be real numbers, variables, or algebraic expressions
V. Solving Linear Inequalities A. By Hand – Same as III B. By TI-83+/84 – Same as III
VI. Solving Double Inequalities A. Work both simultaneously! B. Example -
VII. Quick Review Complete the in-class worksheet.