Question

Properties if real numbers, find the additive inverse and multiplicative inverse of each number

1. 0.4
2. 5 5/6
3. 5x-3y-2x+3y
4. -11a - 13b +7a - 3b
5. 8x-7y-(3-6y)
6. 3(r-10t)-4(7t+2r)
7. 1/5(10a-25b)+1/2(8b +4a)
8. 2(4z-2x+y)-4(5z+x-y)

Answer 1

#1

0.4

Additive=-0.4

Multiplicative=1/0.4

#2

5 5)6=35/6

• Additive=-35/6
• Multiplicative=6/35

#3

5x-3y-2x+3y=3x

• Additive=-3x
• Multiplicative=1/3x

#4

-11a-13b+7a-3b=-4a-16b

Additive

• 4a+16b

Multiplicative

• 1/(4a+16b)

#5

8x-7y-(3-6y)=8x-7y-3+6y=8x-y-3

Additive.

• y-8x+3

Multiplicative

• 1/(8x-y-3)