Wednesday, October 7, 2015

Evaluating Expressions

Evaluate the following expressions and then simplify:

#1.   ab - 7 + a      when a = 10   and    b = -2

#2.   2x + 5y          when x = -3   and    y = -2
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7 comments:

  1. AnonymousOctober 7, 2015 at 8:06 AM

    -20 - 7 + 10 =-17

    6 + -10 = -4

    ReplyDelete
  2. AnonymousOctober 7, 2015 at 8:08 AM

    7
    5

    ReplyDelete
  3. AnonymousOctober 7, 2015 at 8:11 AM

    10 x -2 - 7 + 10 = -17

    2 x -3 + 5 x -2 = -16

    ReplyDelete
  4. AnonymousOctober 7, 2015 at 8:12 AM

    10X(-2)-7+10= -17
    2X(-3)+5X(-2)= -16

    ReplyDelete
  5. AnonymousOctober 7, 2015 at 8:14 AM

    -20-7+10=-3
    -6+-10=16

    ReplyDelete
  6. AnonymousOctober 7, 2015 at 8:15 AM

    10 x -2 -7 + 10
    -20-7+10= -17

    -6+5= -1 x -2= -2

    ReplyDelete
  7. AnonymousOctober 7, 2015 at 8:15 AM

    1.) -12-7=-5
    -5+10=-15

    2.) -23+-52=75

    ReplyDelete

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