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Quadratic and Other Polynomial Expressions, and Functions Videos 25 videos
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TSI Math: Plugging Given Information Into Parentheses and Cubes 0 Views
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Description:
Evaluate the expression 2(n + 1)³ – m when m = -4 and n = 1.
- Test Prep / TSI
- Intermediate Algebra and Functions / Quadratic and Other Polynomial Expressions, Equations, and Functions
- TSI / TSI Math
- TSI / TSI Mathematics
- TSI Mathematics / Intermediate Algebra and Functions
- Intermediate Algebra and Functions / Quadratic and Other Polynomial Expressions, Equations, and Functions
- Test Prep / TSI
- TSI Math / Intermediate Algebra and Functions
Transcript
- 00:01
All right last up in this siri's Evaluate the expression
- 00:04
two times Quantity and plus one of the third bunnies
- 00:06
em when m is negative foreign and is one Shmoop
- 00:15
so the problem looks cryptic but we don't need hirable
- 00:19
ifixit translated the values for eminent or given we only
Full Transcript
- 00:22
need a small pick axe and a little subs tomb
- 00:25
to shin here A substitution Yeah all right Well starting
- 00:29
by substituting or replacing the variables em with negative foreign
- 00:32
and with one And we gotta avoid sign errors and
- 00:35
potentially getting chased by an angry mummy We're going to
- 00:38
the values for emine and in parentheses here So we
- 00:41
got two times quantity and plus one of the third
- 00:43
month it's m we've got two times the quantity one
- 00:48
there plus one of the third reich So no negative
- 00:50
signs They're two messes up and then we're gonna go
- 00:52
minus a negative for sim ply using the order of
- 00:55
operations We start with thie in tombs side here inside
- 00:59
of the parentheses So we're going to get the one
- 01:01
plus one there Well that's an easy two and then
- 01:04
we're going toe Subtract the negative four there So let's
- 01:07
go cuba fei the two there and that gets us
- 01:10
eight so that's two times eight minus the negative for
- 01:14
or plus of four And remember the hierarchy of operations
- 01:19
Here multiplication is then followed by subtraction right So change
- 01:22
the subtraction of a negative value to addition to avoid
- 01:25
triggering any large rolling boulders meant to crush violators Yeah
- 01:29
indiana jones We're big fans anyway so that's it We
- 01:32
get sixteen plus four and it's twenty while the treasure
- 01:35
is the value of twenty nine it's Exciting is the
- 01:38
mummy jules We thought we'd get but that's it it's 00:01:40.685 --> [endTime] d twenty
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