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3 years ago

URGENT PLZ HELP for what values of X and Y is quadrilateral ABCD a parallelogram

Mathematics

1 answer:

Oduvanchick [21]3 years ago

6 0

Answer:

x = 9

y = 3

Step-by-step explanation:

Since this is a quadrilateral the opposite side lengths must be equal

5x - 20 = 7x - 38

38 - 20 = 7x - 5x

18 = 2x divide both sides by 2

9 = x same goes for y

6x - 31 = 4y + 11 we already know x = 9 so

6×9 - 31 = 4y + 11

54 - 31 - 11 = 4y

12 = 4y divide both sides by 4

3 = y

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Graph the line y=-3x-2

sashaice [31]

Answer:

The graph of the line is attached below.

Step-by-step explanation:

According to the slope-intercept form

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As the line equation is given by

$y=\:-3x\:-\:2\\$

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y-intercept = b = -2

$\mathrm{Axis\:interception\:points\:of}\:-3x-2:\quad \mathrm{X\:Intercepts}:\:\left(-\frac{2}{3},\:0\right),\:\mathrm{Y\:Intercepts}:\:\left(0,\:-2\right)$

$\mathrm{x-intercept\:is\:a\:point\:on\:the\:graph\:where\:}y=0$

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$\mathrm{X\:Intercepts}:\:\left(-\frac{2}{3},\:0\right)$

$y\mathrm{-intercept\:is\:the\:point\:on\:the\:graph\:where\:}x=0$

$y=-3\cdot \:0-2:\quad y=-2\\$

$\mathrm{Y\:Intercepts}:\:\left(0,\:-2\right)$

The graph of the line is attached below.

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3 years ago