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Svetach [21]
3 years ago
10

Which linear inequality is represented by the graph?

Mathematics
2 answers:
aalyn [17]3 years ago
8 0

Answer:

y ≤ 1/3 x - 1.3.

Step-by-step explanation:

First find the equation of the line:

The slope = (-0.3 - (-1.3) / (3 - 0).

= 1/3 so the equation is y = 1/3x + b where b is a constant.

b is the y-intercept which is the value of y when x  = 0 . We see that it is -1.3 ( from the point 0, -1.3).

Since the line is continuous and the shading is below this line the inequality sign is 'less than or equal to',  ≤.

Ostrovityanka [42]3 years ago
6 0

Answer: D

Step-by-step explanation:

Firstly. we can eliminate options A and B because the shaded region is                                                  below the line.

Next, we are given the point: (0,-1.3) this means -1.3 will appear in the

inequality, giving us the answer D

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Find the missing angle:
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Answer:

40

Step-by-step explanation:

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How to solve using substitution<br> y=3/4X+5<br> 4x-3y=-1
Pachacha [2.7K]
Please, use parentheses to enclose each fraction:
y=3/4X+5 should be written as <span>y=(3/4)X+5

Let's eliminate the fraction 3/4 by multiplying the above equation through by 4:

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(no fraction here)

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If we add here, 12y-12y becomes zero and we then have 0 = -7x + 56.
Solving this for x:  7x = 56; x=8

We were given equations   
</span><span>y=3/4X+5
4x-3y=-1

We can subst. x=8 into either of these eqn's to find y.  Let's try the first one:

y = (3/4)(8)+5 = 6+5=11

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You should check this result.  Subst. x=8 and y=11 into the second given equation.  Is this equation now true?</span>
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