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Solve by substitution and graphing

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Fakhra

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x-7.5=0.2        x-7.5=-0.2
+7.5.  +7.5.    +7.5.   +7.5

x=7.7                   x=7.3  x=7.7,7.3

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A company manufactures pencils that are 7.5 inches long. To pass quality inspection, the length of a pencil must be within ±0.2 inch of the desired length. Write and solve an absolute value equation to find the minimum and maximum acceptable lengths of a pencil.

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x-7.5=0.2  now we add 7.5 in both sides
+7.5  +7.5
x=7.7

x-7.5=-0.2   now we add 7.5 in both sides
+7.5  +7.5
x=7.3

# data[].attributes.body
x - 7.5 = 0.2
+7.5.    +7.5
x = 7.7

x - 7.5 = -0.2
+ 7.5.     +. 7.5

X = 7.3

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Zaina week one period 5

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Week 1 period 2
Group C

I:5,2 II:7,6

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Same:7
Opposite:-7
[7,-7]

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Part B

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week 1 period 2
group C

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1) -2 and -5
2)7 and -6

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Solve. Solve
|4x - 2|=26

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Solve. Solve
I) |7-2q|=3
II) |4x-2|=26

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solve. Solve |w+1|=5

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6
8
-4
9

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a.6

b.8

c.4

d.9

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a) |-6| 6
b)\-8| 8
c)-|4| -4
d)|8|8

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a) /-6/
6

b)/-8/
8

c) /-4/
-4

d)  /-9/
9

# data[].attributes.body
a:|1-7|= |-6|=6
b:|-3-5|=|-8|=8
c:-|-6+10|=-|4|=-4
d:|7+2|=|9|=9

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A)= 6
B)= 8
C)= -4
D)= 9

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=6
=8
=-4
=9

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Ghaya Al Shamsi

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a) 6

b) 8

c)-4

d)9

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A ) = 6

b ) = 8

c ) =-4

d ) =9

# data[].attributes.body
a;6
b;8
c;-5
d9