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Algebraic Expressions and Equations Videos 12 videos
m varies directly as n. m = 120 when n = 8. What is m when n = 11?
TSI Math: Substituting Given Values to Evaluate an Expression 16 Views
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Description:
Evaluate the expression 6b + 5 – bc when and c = -18.
Transcript
- 00:03
All right see master suffers another siri's here on algebraic
- 00:06
expressions equations word problems and applications All right first question
- 00:10
Evaluate the expression Six b plus five minus bc when
- 00:14
b is a third and see is negative eighteen Our
- 00:19
mission should we choose to accept it is to evaluate
Full Transcript
- 00:21
the expression Six b plus five minus bc Did anyone
- 00:24
bring the mission Impossible spike it Secret decoder ring a
- 00:28
shoe phone nowhere It will manage our cat like reflexes
- 00:31
Here are masterful disguises and ability Teo substitutes you were
- 00:35
going with that The first two skills sound impressive but
- 00:37
it's the last one that will save the day were
- 00:39
given the values of be as a third and see
- 00:42
is negative eighteen Just substitute him and let's see how
- 00:45
we look here So we've got six times a third
- 00:49
and were cleverly using parentheses there plus five minus a
- 00:53
third times negative eighteen and donna trenchcoat and evaluate the
- 00:58
expression Yeah wearing a trench coat prevents others from evaluating
- 01:02
our motives Unless we're doing math beach on a sunny
- 01:05
day and then just weird Okay well six times a
- 01:07
thirty two plus five and then we have one third
- 01:11
Times Negative eighteen Well let it be Negative Six So
- 01:14
it's just two plus five minus negative six or plus
- 01:18
six which is thirteen even in texas Or see there
- 01:22
If only we hadn't written this work in invisible ink 00:01:25.918 --> [endTime] would be done Now Find this thing
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