Question

Distance between the point (-2,1) & line y= 2x + 4 at x = -2 is ?

Answer 1

Answer:

1

Explanation:

P(-2,1)

y = 2x + 4 at x = -2

then

y = 2(-2) + 4

y = -4 + 4

y = 0

So, the point on the line is (-2,0)

Distance =

$\sqrt{ ( - 2 + 2) ^{2} + (1 - 0) ^{2} }$

= 1