SOVING LINEAR EQUATIONS

2.2

OBJECTIVES

•UNDERSTAND PROPERTIES OF EQUALITY

•USE VISUAL REPRESENTATIONS TO HELP MODEL LINEAR PROBLEMS

• SOLVE LINEAR EQUATIONS USING ADDITION AND SUBTRACTION PROPERTIES OF EQUALITY

WARM-UP

•A RECTANGULAR TRAMPOLINE HAS AN AREA OF 187 SQUARE FEET. THE LENGTH OF THE TRAMPOLINE IS 17 FEET. WHAT IS THE WIDTH?

ANCHOR TASK!!

• FOR THE PERIOD 1999 – 2004, THE MAXIMUM DEPTH OF THE DEAD SEA DECREASED BY 9.9 FEET. THE MAXIMUM DEPTH IN 2004 WAS 1036.7 FT. WHAT WAS THE MAXIMUM DEPTH IN 1999?

SOLVING

•ONCE AN EQUATION IS GENERATED WE USE THE INVERSE OPERATION TO ISOLATE THE VARIABLE

•X+3 = 24 X – 5 = 13

MORE PRACTICE

• -5 + X = 7 4 + X = 13 -2 + X = 15

TRY IT!!

•HOMEWORK:•PG. 87-89: 49, 54, 56, 60 (A ONLY), 62