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GED Math 5.5 Graphs and Functions 882 Views
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Description:
GED Math: Graphs and Functions Drill 5, Problem 5. What is the value of a?
- Functions / Interpret functions that arise in applications
- Functions / Interpret functions that arise in applications
- Functions / Analyze functions using different representations
- Functions / Analyze functions using different representations
- Functions / Construct and compare linear, quadratic and exponential models
- Functions / Construct and compare linear, quadratic, and exponential models
- Functions / Interpret expressions for functions in terms of the situation they model
- Functions / Interpret expressions for functions in terms of the situation they model
- Functions / Interpret functions that arise in applications in terms of context
- Functions / Analyze functions using different representations
- Functions / Construct and compare linear, quadratic, and exponential models
- Functions / Interpret functions that arise in applications
- Functions / Interpret functions that arise in applications
- Functions / Analyze functions using different representations
- Functions / Analyze functions using different representations
- Functions / Construct and compare linear, quadratic, and exponential models
- Mathematical Practice / Mathematical Fluency
Transcript
- 00:00
Thank you We sneak in and here's your shmoop du
- 00:05
jour Brought to you by downward opening for abdullah's way
- 00:10
We planted them all the graph of y equals x
- 00:13
squared minus two x plus six is shown beloved what's
- 00:17
the value of a and here's the bench lands Okay
Full Transcript
- 00:21
let's take a quick inventory way Have a problem We
- 00:24
have a graph and we have our brain Hopefully that's
- 00:26
enough The equation of the parabola is given its why
- 00:29
equals x squared minus two x plus six and we're
- 00:32
being asked to find the value of a right No
- 00:36
problems There are a few points this parable of passes
- 00:39
through i look to this graph Negative six zero hero
- 00:43
thing two zero we can plug in any of them
- 00:46
But what fans of small numbers around here so let's
- 00:49
use to zero the equation will become zero equals a
- 00:53
times two squared minus two times to plus six We
- 00:57
could clean that puppy up a bit but two squared
- 01:00
is four and two temps two is also four so
- 01:03
we can rewrite as zero equals for a minus four
- 01:06
plus six and of course the minus foreign plus six
- 01:09
Or really just positive too So we're left with zero
- 01:12
equals four a plus to subtract two from both sides
- 01:15
to get negative Two equals for a then divide Both
- 01:18
sides fight for to get negative a half people's a
- 01:20
and it looks like our answer is c nice work 00:01:23.092 --> [endTime] framed on your end
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