Perpendicular 82994

The straight line p is given by the formula y = 1/2 x - 1 . The line q is perpendicular to the line p and passes through the point A [1; 5]. Determine the y-coordinate of the point that intersects the line q with the y-axis.

Correct answer:

y0 =  7

Step-by-step explanation:

p: y = 1/2 x  1 A=(1,5)  p:2y=x2 p:x2y2=0  pq  q: 2x+y+c = 0  2 Ax+Ay+c=0 2 1+5+c=0  c=7  c=17=7  c=7  x0=0 2 x0+y0+c=0 y0=2 x0c=2 0(7)=7



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