Examples with solutions for Addition and Subtraction of Directed Numbers: Regularity

Exercise #1

15,17,19,21,? -15,-17,-19,-21,\text{?}

Video Solution

Answer

23 -23

Exercise #2

1,0,1,2,3,4,? 1,0,-1,-2,-3,-4,\text{?}

Video Solution

Answer

5 -5

Exercise #3

10,10,30,? 10,-10,-30,\text{?}

Video Solution

Answer

50 -50

Exercise #4

16,22,28,34,? -16,-22,-28,-34,\text{?}

Video Solution

Answer

40 -40