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TSI Math: Handling Negative Signs When Evaluating an Expression 2 Views
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Description:
Evaluate the expression
when p = -2.
- Test Prep / TSI
- TSI / TSI Math
- TSI / TSI Mathematics
- Intermediate Algebra and Functions / Rational and Exponential Expressions, Equations, and Functions
- Intermediate Algebra and Functions / Rational and Exponential Expressions, Equations, and Functions
- TSI Mathematics / Intermediate Algebra and Functions
- Test Prep / TSI
- TSI Math / Intermediate Algebra and Functions
Transcript
- 00:03
Okay sy mash bumpers Next up evaluate the expression Three
- 00:07
people us for over five plus p when p is
- 00:11
negative too The whistle blows Yep there it is time
- 00:17
for a substitution The variable peel it's worn out so
- 00:20
replace it with the given value of negative too to
Full Transcript
- 00:22
avoid sign error penalties Yeah place the value in parentheses
- 00:26
it's always good discipline to do there so we're going
- 00:28
to go three times the quantity negative two plus four
- 00:31
and then five plus quantity negative too Best game plan
- 00:34
here's some five numerator and denominator separately in deal fraction
- 00:37
at the end and the numerator start with the multiplication
- 00:39
because multiplication outranks addition in the pen doss order of
- 00:42
operations member is a movie about that somewhere Alright so
- 00:45
it gives us negative six plus four and then denominator
- 00:49
Here is five plus thing to our five moneys to
- 00:52
sew on top we've got what is that negative too
- 00:55
and on the bottom Then we've got the three so
- 00:58
that's it so it's negative two thirds that's it it's
- 01:01
a slam dunk All right we came we shmoop upped 00:01:03.701 --> [endTime] We got the right answer
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