EQUATIONS AND INEQUALITIES

EQUATIONS AND INEQUALITIES

Open Ended

BRAIN DUMP!!

WHAT DO YOU REMEMBER ABOUT 2-STEP EQUATIONS ?

TWO-STEP EQUATIONS

HOW TO SOLVE 2-STEP EQUATIONS

Multiple Choice

LET'S TRY ONE!!

2X+4=10

WHAT IS THE FIRST STEP WE WILL DO?

• SUBTRACT 4 FROM BOTH SIDES

• ADD 4 TO BOTH SIDES

• DIVIDE BY 4 ON BOTH SIDES

Multiple Choice

LET'S TRY ONE!!

2X+4=10

WHAT IS THE SECOND STEP THAT WE WILL DO ?

• SUBTRACT 2 FROM BOTH SIDES

• ADD 2 TO BOTH SIDES

• DIVIDE BY 2 ON BOTH SIDES

Multiple Choice

LET'S TRY ONE!!

2X+4=10

WHAT IS THE ANSWER?

• X=7

• X=3

• X=10

Open Ended

TRY THIS ONE ON YOUR OWN ?

3X +17= 2

PRACTICE PROBLEMS

PLEASE COMPLETE EACH PRACTICE PROBLEM

Multiple Choice

PLEASE ANSWER THE QUESTION

• X=0

• X=9

• X=19

• X=7

Multiple Choice

PLEASE ANSWER THE QUESTION

• X=0

• X=9

• X=1

• X=7

INEQUALITIES

SOLVE THE EXACT SAME WAY YOU WOULD SOLVE EQUATIONS... JUST FLIP THE SIGN WHEN YOU DIVIDE BY A NEGATIVE NUMBER?

Multiple Choice

 $-2X\ +10<11$  

DO WE FLIP THE SIGN ?

• YES

• NO

Open Ended

 $-2X\ +10<11$  

WHY DO WE FLIP THE SIGN ?

Multiple Choice

 $-2X\ +10<12$  

SOLVE THE INEQUALITY?

•  $X<-1$  

•  $X>-1$  

•  $X\ge-1$  

•  $X\le-1$  

Poll

WHAT DOES THIS SYMBOL REPRESENT?

>

• GREATER LAN SYMBOL

• LESS THAN SYMBOL

• LESS THAN OR EQUAL

• GREATER THAN OR EQUAL

Poll

 $\ge$  

WHAT DOES THIS SYMBOL REPRESENT?

<

• GREATER LAN SYMBOL

• LESS THAN SYMBOL

• LESS THAN OR EQUAL

• GREATER THAN OR EQUAL

Poll

WHAT DOES THIS SYMBOL REPRESENT?



 $\le$  

• GREATER LAN SYMBOL

• LESS THAN SYMBOL

• LESS THAN OR EQUAL

• GREATER THAN OR EQUAL

INEQUALITY SYMBOL MEANINGS

REMEMBER THAT EACH SYMBOL HAS WORDS THAT REPRESENT THE MEANING

LET'S SOLVE SOME

Multiple Choice

please answer the question correctly

• F

• G

• H

• J

Multiple Choice

PLEASE ANSWER THE QUESTION CORRECTLY

• F

• G

• H

• J