Question
1a.A line L1 passes through the points (3,3) and (5,7).Find the equation of L1 in the form Y=Mx+c where m and c are constants.
b.Another line L2 is perpendicular to L1 and passes through (-2,3).Find :
1.The equation of L2
2.The X-intercept of L2
b.Another line L2 is perpendicular to L1 and passes through (-2,3).Find :
1.The equation of L2
2.The X-intercept of L2
Answers
oobleck
L1 has slope 2, so
L1: y = 2x-3
L2 has slope -1/2, so
L2: y = -1/2 x + 2
Now just find where L2 has y=0.
L1: y = 2x-3
L2 has slope -1/2, so
L2: y = -1/2 x + 2
Now just find where L2 has y=0.