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Nady [450]
2 years ago
7

Slope intercept form

Mathematics
1 answer:
sergij07 [2.7K]2 years ago
4 0

Answer:

9) y=-\frac{1}{8} x+\frac{13}{8}

10) y = -1

11)  y=-\frac{5}{2}x

12) y= -\frac{4}{3}x+1

Step-by-step explanation:

Parallel lines have same slope and slopes of perpendicular lines are negative reciprocals of each other.

<u>9) through (-3, 2), parallel to   </u>y=-\frac{1}{8} x +4<u />

y-y_1=m(x-x_1)

y-2=-\frac{1}{8} (x+3)

y=-\frac{1}{8} x-\frac{3}{8} +2

<u>10) through (-5, -1), parallel to   </u>y=0<u />

y+1=0 (x+5)

y = -1

<u>11) through (2, -5), perpendicular to   </u>y= \frac{2}{5} x +5<u />

y+5=-\frac{5}{2} (x-2)

y=-\frac{5}{2}x+5-5\\y=-\frac{5}{2}x

<u>12) through (-3, 5), perpendicular to   </u>y= \frac{3}{4} x<u />

y-5=-\frac{4}{3} (x+3)

y= -\frac{4}{3}x-4 +5

y= -\frac{4}{3}x+1

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