ON TARGET REVIEW LAST WEEK Review. ON TARGET Determine whether each equation is a linear equation....
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![Page 1: ON TARGET REVIEW LAST WEEK Review. ON TARGET Determine whether each equation is a linear equation. If so, write the equation in standard form. 1. xy =](https://reader038.fdocuments.net/reader038/viewer/2022103123/56649d1b5503460f949f0d22/html5/thumbnails/1.jpg)
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REVIEW LAST WEEKReview
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Determine whether each equation is a linear equation. If so, write the equation in standard form.
1. xy = 62. y = 2 – 3x3. 5x = y – 44. y = 2x + 55. y = -7 + 6x6. y = 3x2 + 1
NO3x + y = 25x – y = -42x – y = -56x – y = 7NO
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Determine whether each equation is a linear equation. If so, write the equation in standard form.
7. y – 4 = 08. 5x + 6y = 3x + 29. ½ y = 1
y = 42x + 6y = 2y = 2
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Graph each equation.
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COORDINATE PLANE
Graph the point(-4, 3)
What quadrantis point A in?
AQUAD IV
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RELATIONS
What is the inverse of the following relation?
{(1, 2), (2, 5), (4, 8)}
{(2,1), (5,2), (8,4)}
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RELATIONS
Is (4, 39) in the solution set for y = 7x + 6?
39 = 7(4) + 639 = 34
NO
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FUNCTIONSReview
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FUNCTION
A relation in which each element of the domain is paired with exactly one element of the range.
THE DOMAIN CANNOTREPEAT
NO X DUPLICATES
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EXAMPLES OF A FUNCTION
X Y1 22 23 54 6
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EXAMPLES OF NOT A FUNCTIONX Y-1 22 22 54 6
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EXAMPLES OF NOT A FUNCTIONVertical line test for graphs- if the vertical line touches the graph once it’s a function, more than once and it’s not a function.
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FUNCTIONAL VALUES
Write y = -5x + 7 in functional notation.
- replace y with f(independent variable)
f(x) = -5x + 7Read “f of x”
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FUNCTIONAL VALUES
Find f(5) for the rule f(x) = 2x +1
- substitute 5 in for x and solve2(5) + 1
10 + 111
f(5) = 11
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ASSIGNMENTSTextbook page 292 #35, 36, 37,
39
USA Test Prep – Functions Practice
Music? - If you had a C or above on your Progress Report.
Quiz tomorrow on Domain, Range and Functions. Progress
Reports due tomorrow. Detentions will be written.