Add Subtract Irrational

7.9 - 3.47 =

5 - (-6)=

• 11

• -11

• 5 

• -1

According to exponent rules, when we multiply the expressions we _______ the exponents.

• add

• subtract

• multiply

• divide

According to exponent rules, when we divide the expressions we _______ the exponents.

• add

• subtract

• multiply

• divide

Add. 

• -3

• 0.8

• -4

• 4

-51 + 81.623

• 30.623

• -30.623

• 132.623

• -132.623

Match the following

• 3.4

• -3.8 + 7.2

• -10.35

• -4.7 + (-5.65)

• 4.84

• -3.18 + 8.02

Add:  √20 + √45

• √65

• 10√5

• 5√5

• 13√5

list the two steps for adding and subtracting radicals?

• simplify all radicals
  combine like radicals ( radicals with the same index and radicand).

• divide and add

• subtract and multiply

• minus and minus

What is the sum of √15 and √75?

• √90

• √15 + 5√3

• √15 + 3√5

• √(15 + 75)