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Allushta [10]
3 years ago
15

Y= x+8 2x+y=-10 A. (2,6) B. ( 2,-6) C. ( -6,2) D. (6,2)

Mathematics
1 answer:
alukav5142 [94]3 years ago
6 0
The answer is B
Glad I could help:)
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How to find slope intercept form with one point and the slope?
andre [41]
Slope intercept form is y = mx + b...ur slope will be in the m position and ur y int will be in the b position

examples : slope = 2 , (1,3)....x = 1 and y = 3

y = mx + b
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(1,3)...x = 1 and y = 3
now we sub and find b, the y int
3 = 2(1) + b
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3 - 2 = b
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so in slope intercept form, ur equation is : y = 2x + 1
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another example : slope = 3 , (-2,-4)

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(-2,-4)...x = -2 and y = -4
now sub and find b, the y int
-4 = 3(-2) + b
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3 years ago
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Read 2 more answers
Evaluate $\dfrac{2\sqrt{72}}{\sqrt{8}+\sqrt{2}}$.
Pavlova-9 [17]
<h3>Answer:  4</h3>

========================================================

Work Shown:

\frac{2\sqrt{72}}{\sqrt{8}+\sqrt{2}}\\\\\frac{2\sqrt{36*2}}{\sqrt{4*2}+\sqrt{2}}\\\\\frac{2\sqrt{36}*\sqrt{2}}{\sqrt{4}*\sqrt{2}+\sqrt{2}}\\\\\frac{2*6*\sqrt{2}}{2*\sqrt{2}+\sqrt{2}}\\\\\frac{12\sqrt{2}}{2\sqrt{2}+\sqrt{2}}\\\\\frac{12\sqrt{2}}{3\sqrt{2}}\\\\\frac{12}{3}\\\\4

Note in step 2, I factored each number in the square root to pull out the largest perfect square factor. From there, I used the rule that \sqrt{A*B} = \sqrt{A}*\sqrt{B} to break up the roots.

8 0
2 years ago
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