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Soloha48 [4]
3 years ago
14

Which numbers are 4 units from -2 on the number line

Mathematics
1 answer:
Artemon [7]3 years ago
4 0

Let the number be x


Then the absolute value of the number from -2 should be 4


|x--2|=4


|x+2|=4


So either



(x+2)=4


x=4-2=2


Or


-(x+2)=4


x+2=-4



x=-4-2



x=-6



[tex] <B>The numbers are 2 and -6</B> [/tex[


They are four units away from -2 on the number line










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Which of these describes the equation –18x + 9y = –416?
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Answer:

We conclude the equation is linear because it can be rewritten in the form y = mx + b.

Hence, option D is correct.

Step-by-step explanation:

The slope-intercept form of the line or linear equation

y = mx+b

where

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<u>Important Tip:</u>

The graph of a linear equation is always a straight line.

Convert the given equation in the slope-intercept form

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subtract 18x from both sides

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simplify

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divide both sides by 9

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Now, comparing the equation y=-2x-\frac{416}{9} with a slop-intercept form of linear equation

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Therefore, we conclude the equation is linear because it can be rewritten in the form y = mx + b.

From the attached graph, is also clear that the graph of the equation y=-2x-\frac{416}{9} is a straight line.

Hence, option D is correct.

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