Line A has an equation of y=-2/5x + 3. What is the slope of a line perpendicular
1 answer:
Answer:

Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
y = -
x + 3 ← is in slope- intercept form
with slope m = - 
Given a line with slope m then the slope of a line perpendicular to it is
= -
= -
= 
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it is 10 I did it before been there done that