Mid-Ch 5

x = 4 & y = 5 Evaluate using substitution 

 $2x+y$  

b = -5  Evaluate using substitution 

 $3b$  

b = -5  Evaluate using substitution 

 $2+b\ +3$ 

Distribute  $\frac{1}{4}\left(x-3\right)$  

•  $\frac{1}{4}x-3$  

•  $\frac{1}{4}x-\frac{3}{4}$  

•  $\frac{4}{4}x-\frac{12}{4}$  

•  $\frac{4}{4}x-\frac{3}{4}$  

 $-\left(x+5\right)\$  

distribute

• -x + 5

• -x - 5 

• x + 5

• x - 5

 $-\left(x-5\right)\$  

distribute

• -x + 5

• -x - 5 

• x + 5

• x - 5

 $-1\left(-x+5\right)\$  

distribute

• -x + 5

• -x - 5 

• x + 5

• x - 5

Which property is shown in the equation? -3 x 0 = 0

• Additive Identity

• Multiplicative Property of Zero

• Multiplicative Identity

Which statement shows the Associative Property of Multiplication ?

• a(bc) = (ab)c

• ab = ba

• (a + b) + c = a + (b + c)

• a + b = b + a

12 + 7 = 7 + 12

Which property does this equation show?

• Commutative Property of Addition

• Commutative Property of Multiplication

• Associative Property of Addition

• Additive Identity