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Two parabolas are graphed in the coordinate plane. Parabola A is a function, and parabola B is not a function. What is the maximum number of points...
Which of the following points is a location where the function f(x) = -2x² + 12x + 54 crosses the horizontal axis?
TSI Math: Evaluating an Expression Using PEMDAS 2 Views
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Description:
Evaluate the expression.
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Transcript
- 00:02
Okay sy mash bumpers here's The next problem Evaluate the
- 00:06
expression Only so we're just going to simplify and probably
- 00:13
multiply that one third out and then do a little
- 00:15
bit of squaring and a whole bunch other men All
- 00:18
right So here we go Emcee essure this guy this
Full Transcript
- 00:20
is some of his artwork Said we adore chaos because
- 00:23
we love to produce order with wisdom of this thought
- 00:27
about the importance of order has only been rivaled by
- 00:29
sir top um at the controller of the railway on
- 00:32
thomas and friends who noted that without order there's on
- 00:35
ly confusion and delay Surely both these wise men were
- 00:39
inspired by the order of operations here as always starts
- 00:42
simplifying parts The expression located inside the parentheses these guys
- 00:45
right here that's nine months five plus two the addition
- 00:48
and subtraction should be completed from left to right because
- 00:51
while they're really the same thing subtracting a value is
- 00:53
the same is adding and negative And don't get derailed
- 00:56
by following pim does literally even though the a for
- 00:59
edition comes first in the acronym subtraction is performed first
- 01:03
here because it's the first operation to appear So i
- 01:06
was doing it left to right like a typewriter So
- 01:08
we get one third time's quantity four plus two than
- 01:12
that thing squared plus four times two and let's keep
- 01:14
simplifying Got one third time Six squared plus for seeing
- 01:18
will keep chugging along and that's the third time's at
- 01:21
thirty six there plus four times Two We're almost there
- 01:24
channel the spirit of the little engine that could do
- 01:26
the order of operations and multiply next Alright keep in
- 01:29
mind that multiplying thirty six by a third of the
- 01:31
same is dividing it by three That gives us twelve
- 01:34
plus the four times two there's eight we just adam
- 01:37
up its twenty The value of the expression is twenty
- 01:39
c Well em see mr asher There may have been
- 01:42
a famous mathematical artist but thomas and friends as weii 00:01:45.917 --> [endTime] catch your quotes
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