marieRuxChrynLaram marieRuxChrynLaram

29-11-2016
Mathematics

Answered

What is the equation of the line in slope-intercept form? the line perpendicular to

y = 1/3x + 5 through (2, 1)

Ay = 1/3x + 7

By = -3x + 7

Cy = 3x + 7

Dy = -1/3x + 7

Verified Answer :

apologiabiology apologiabiology

02-12-2016

perpendicular has slope tha multiplies to -1
y=mx+b
m=slope
y=1/3x+b
1/3=slope
1/3 times what=-1?
-3 is answer

y=-3x+b
find b
given
(2,1)
(x,y)
x=2 and y=1 is a solution

1=-3(2)+b
1=-6+b
add 6
7=b

y=-3x+7

B is answer

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