Question

1. Find the equation of the line passing through the point (-3,-2) which is perpendicular to x - axis​

Answer 1

Answer:

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Answer 2

Answer:

Step-by-step explanation:

|-----------------|----=----------------|

P                 O                        A  

(x1,y1)        (-3,-2)                (x2,y2)

mid point formula $=(\frac{x_1+x_2}{2} ,\frac{y_1+y_2}{2})$

(∴P,A)=(O)

according to the formula

$\frac{x_1+x_2}{2} =-3$ =P

$\frac{y_1+y_2}{2}=-2$ =A

$x_1+x_2=-6$_______(i)

$y_1+y_2=-4$_______(ii)

by adding (i) and (ii)

$x_1+x_2=-6\\y_1+y_2=-4\\------\\(x_1+y_1)+(x_2+y_2)=-10$

by subtracting (i) and (ii)

$x_1+x_2=-6\\y_1+y_2=-4\\------\\(x_1-y_1)+(x_2-y_2)=-2$

by subtracting (ii) and (i)

$y_1+y_2=-4\\x_1+x_2=-6\\------\\(y_1-x_1)+(y_2-x_2)=2$