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user100 [1]
3 years ago
12

Find the value of x.

Mathematics
1 answer:
svetoff [14.1K]3 years ago
5 0

Answer:

68

Step-by-step explanation:

1) Find the interior angle using relations of angles in straight line I.e ( sum of angles in a straight line is 180 ) and we know the sum of all the interior angle of quadrilateral is 360 degree .

2) Solve further for x.

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Answer:

y=-\frac{1}{3} x+5

Step-by-step explanation:

Notice that the answers they give you to choose from are all lines in slope y-intercept form, it would be very simple to just find the answer finding yourself the slope and y-intercept of the line in question.

Since they give you two points (x_1,y_1) and  (x_2,y_2) for the line, use them to find the slope of the line that goes through them, with the formula:  slope=\frac{y_2-y_1}{x_2-x_1} =\frac{7-6}{-6-(-3)} =\frac{1}{-3} =-\frac{1}{3}

Therefore, the slope of the line must be -\frac{1}{3}

Now, find the y-intercept (b) using the general form of a line with the given slope:

y=-\frac{1}{3}x +b

Use one of the given coordinate points to request that the line passes through it. For example, through the point (-3,6) (when x = -3, y must be 6):

y=-\frac{1}{3} x+b\\6=-\frac{1}{3}(-3)+b\\6=1+b\\b=6-1=5

then the y-intercept must be 5. Therefore our line is : y=-\frac{1}{3}x +5 which appears listed as your second choice.

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The list contains three points that lie on the graph of the reflection is (-49, 7), (-18, 9), (-1, 1).

<h3>What is graph reflection?</h3>

The graph of any function when mirrored on the same plane.

Given the graph of f(x)=√x is reflected over the y-axis. Use the graphing calculator to graph this reflection.

The points which can satisfy the reflection of the graph is (-49, 7), (-18, 9), (-1, 1).

Thus, the fourth option is correct.

Learn more about graph reflection

brainly.com/question/18765560

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