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shepuryov [24]
3 years ago
5

All points on a given line have their y-coordinate as 9. What is the equation of this line? A. x + y = 9 B. x – y = 9 C. x = 9 D

. y = 9 E. x + y = 0
Mathematics
2 answers:
jeka57 [31]3 years ago
8 0

It would be D.


hope it helps :)

Phoenix [80]3 years ago
4 0

D. y = 9 because it has a complete zero slope while the y-intercept of the equation is 9, so the equation is y = 9.

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Answer:

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Step-by-step explanation:

Find the slope using the points, (1, -3) and (3, 1):

slope(m) = \frac{y_2 - y_1}{x_2 - x_1} = \frac{1 -(-3)}{3 - 1} = \frac{4}{2} = 2

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Find the y-intercept (b) by substituting x = 1, y = -3, and m = 2 in y = mx + b

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Subtract 2 from both sides

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Plug in the value of m and b into the slope-intercept form equation, y = mx + b.

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y = 2x +(-5)

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Question 12 of 41
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ANSWER: <em><u>D. Icosahedron</u></em>

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