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Elza [17]
3 years ago
6

Choose the correct description of the graph of the compound inequality: x − 3 < −9 or x + 5 greater than or equal to12 (5 poi

nts) Select one: a. A number line with a closed circle on −6, shading to the left, and an open circle on 7, shading to the right b. A number line with an open circle on −6, a closed circle on 7, and shading in between c. A number line with an open circle on −6, shading to the left, and a closed circle on 7, shading to the right d. A number line with a closed circle on −6, an open circle on 7, and shading in between
Mathematics
1 answer:
Sidana [21]3 years ago
6 0

Answer:

the answer is c

Step-by-step explanation:

x-3<-9

x<-6 open circle shaded to the left

x+5> or = 12

x > or = 7 closed circle ahaded to the right

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The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

we have

G(-1,3)\ H(1,2)\ J(-3,-1)

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G(-1,3)\ H(1,2)

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m=\frac{2-3}{1+1}

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Step 2

<u>Find the slope HJ</u>

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Step 3

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Step 4

Verify if triangle GHJ is a right triangle

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if two lines are perpendicular, then the product of their slopes is equal to minus one

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The triangle GHJ is a right triangle

The answer in the attached figure


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