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Dahasolnce [82]
3 years ago
9

a line is perpendicular to y=-4x-2 and intersects the point (0,9). what is the equation for this perpendicular line?

Mathematics
1 answer:
AysviL [449]3 years ago
3 0

Answer:

y=(1/4)x + 9      OR      y=x/4 +9

Step-by-step explanation:

Perpendicular lines have a slope/gradient of -1/n

Because the slope of this line is -4, the slope of a line perpendicular to it would be 1/4.

y=(1/4)x+b

(0,9) is the y-intercept, so b = 9

y=(1/4)x + 9      OR      y=x/4 +9

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Slope= -1/3 passing through (9,-2)<br>point slop form?<br>slope intercept form?
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2 years ago
Is the sequence 4, 8, 12, 16, 20, ... a geometric sequence? If it is a geometric sequence, what is the common ratio?
vovangra [49]

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2 years ago
3
nikitadnepr [17]

Answer:

y = (1/4)x - 3

Step-by-step explanation:

The slope-intercept form is y = mx + b.  Here we are told that the line passes through (-8, -5) and that its slope is 1/4 (is that correct?).  

Substituting -5 for y, -8 for x and 1/4 for m, we get an equation for the y-intercept, b:

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-5 = -2 + b, so b = -3, and the desired equation is

y = (1/4)x - 3

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