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andriy [413]
3 years ago
15

Write the linear inequality shown in the graph.The gray area represents the shaded region.

Mathematics
2 answers:
Iteru [2.4K]3 years ago
8 0

Answer:

y\geq 3x-4

Step-by-step explanation:

First we find the equation for the graph line y=mx+b

where m is the slope and b is the y intercept

LEts pick two points from the line

(0,-4) and (2,2)

y intercept is -4 , the value of b= -4

to find slope m we use formula

m=\frac{y_2-y_1}{x_2-x_1} =\frac{-4-2}{0-2} =3

m=3 and b= -4

EQuation of a line is y=3x-4

Now we write the inequality, we use test point 0,0 that is in shaded region

LEts plug in 0 for x  and 0 for y

y=3x-4

0=0-4

0=-4

0>=-4 is true

So we use >= symbol

y\geq 3x-4

Lunna [17]3 years ago
5 0
Answer is D
for these you need to look at first what is your y-intercept from this graph it is -4 so that cancels out a and c.
Now you look if the gray area is above or below the line in this case it is above the line so y needs to be greater than the line to be a true statement.

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