Question

Find the equation of a line that is perpendicular to line g that contains (P, Q).

Answer 1

Answer:

the answer is d

Step-by-step explanation:

Answer 2

We want to find the equation of a line that is perpendicular to G and pass through point (P, Q)

The coordinate of G is

(-2,6) and (-3,2)

Point 1 = (x1,y1) = (-2,6)

Point 2 = (x2,y2) = (-3,2)

So, let find the slope of this line G.

Slope can be calculated using

m = ∆y/∆x

m = (y2 - y1) / (x2 - x1)

m = (2-6) / (-3--2), -×- = +

m = -4 / (-3 + 2)

m = -4 / -1

m = 4

So, the gradient or slope of line G is 4

From geometry, since the equation of the line we want to find is perpendicular to the G,

Then, the slope of the line is

m2 = -1 / m1

m2 = - 1 / 4

m2 = -¼.

Then, also we can write equation of a line given the slope and a point using

m = (y - y1) / (x - x1)

Where m = -¼

And the point (x1,y1) = (P, Q)

Then, we have

-¼ = (y - Q) / (x - P)

Cross multiply

-(x - P) = 4(y - Q)

-x + P = 4y - 4Q

Rearrange

-x - 4y = - 4Q - P

Divide through by -1

x + 4y = 4Q + P

Then, the last option is correct