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Lana71 [14]
3 years ago
5

Write the equation of the line, in slope-intercept form, that contains the points (-1,-2) and (1,2)

Mathematics
1 answer:
Bad White [126]3 years ago
4 0
Slope intercept is y=mx+b
m=slope
slope if found by
m=(y1-y2)/(x1-x2)
(x,y)
(-1,-2) and
(1,2)
x1=-1
y1=-2
x2=1
y2=2


m=(-1-1)/(-2-2)
m=-2/-4
m=1/2


y=1/2x+b
solve fo by subsituting one x value
(1,2)
x=1
y=2
2=1/2(1)+b
2=1/2+b
subtract 1/2
3/2=b


equation is
y=1/2x+3/2

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timama [110]

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4 0
3 years ago
What is 1/4x+1+3/4x-2/3-1/2x
Aleks04 [339]

Answer: 1/2x + 1/3

Step-by-step explanation:

Given:

1/4(x) + 3/4(x) - 1/2(x) + 1 - 2/3

Step 1: Combine like terms

1/4(x) and 3/4(x) have a common denominator of 4.  This means that you can add them together.

1/4(x) + 3/4(x) = 4/4(x) = x

Step 2: Find the common denominator of x in step 1 and combine like terms  

x - 1/2(x) = 2/2(x) - 1/2(x)

Now that we have the common denominator of x, we can combine like terms.  Its the same as adding or subtracting fractions without a variable.  In this case, you must subtract 1/2(x) from 2/2(x).

2/2(x) - 1/2(x) = 1/2(x)

Step 3: Find the common denominator of the constants and combine like terms

1 - 2/3 = 3/3 - 2/3

Now combine like terms.  Simply subtract 2/3 from 3/3.

3/3 - 2/3 = 1/3

Step 4: Write the simplified equation

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This is the answer

4 0
2 years ago
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vfiekz [6]

Answer:

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Step-by-step explanation:

2848222304???

my mom used to give me stuff like this as soon as i learned how to multiply #asianmomsbelike

6 0
2 years ago
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Lyrx [107]

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Step-by-step explanation:

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8 0
3 years ago
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Licemer1 [7]

Answer: Equivalent

Step-by-step explanation:

There is the same amount of red filling in the boxes in both.

5 0
2 years ago
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