Equations and Inequalities

Which operations have an inverse relationship?

• Subtraction and Division

• Multiplication and Addition

• Subtraction and Multiplication

• Addition and Subtraction

Tags

CCSS.7.NS.A.3

9a-2=-65

• a= -63

• a= -7

• a= 7

• a= -7.444

Tags

CCSS.7.EE.A.1

CCSS.7.EE.B.3

CCSS.7.EE.B.4

23-5w=8

• w= 3

• w= -3

• w= -15

• w= -6.2

Tags

CCSS.7.EE.A.1

CCSS.7.EE.B.3

CCSS.7.EE.B.4

 $\frac{v}{-0.8}+14=39$  

• v= 25

• v= -20

• v= 20

• v= -31.25

Tags

CCSS.7.EE.B.3

CCSS.7.EE.B.4

CCSS.7.NS.A.3

 $\frac{r}{7}-26=-28$  

• r= -14

• r= 14

• r= -2

• r= 378

Tags

CCSS.7.EE.A.1

CCSS.7.EE.B.3

CCSS.7.EE.B.4

Less than

• $>$

• $<$

• $\le$

• $\ge$

Tags

CCSS.7.EE.B.4

Greater than or equal to

• $<$

• $>$

• $\le$

• $\ge$

Tags

CCSS.7.EE.B.3

CCSS.7.EE.B.4

 $3x+1<10$  

• x<3

• x>3

• x<11

• x<3.33

Tags

CCSS.7.EE.B.3

CCSS.7.EE.B.4

 $7m+11\ge-31$  

•  $m\ge-42$  

•  $m\ge6$  

•  $m\le-6$  

•  $m\ge-6$  

Tags

CCSS.7.EE.B.3

CCSS.7.EE.B.4

What happens to the symbol when you multiply or divide an inequality by a negative number?

• It stays the same

• It has to flip

Tags

CCSS.7.EE.B.3

CCSS.7.EE.B.4

CCSS.7.NS.A.2