MATH SOLVE

2 months ago

Q:
# For what value of a do the lines 5xβ2y=3 and x+y=a intersect at a point on the y-axis?

Accepted Solution

A:

So what they are trying to say is that they both have the same y-intercept. Easy!Make y the subject:5x - 2y = 32y = 5x - 3y = 2.5x - 1.5The y-intercept is -1.5.Make y the subject:x + y = ay = -x + aTherefore, a must be -1.5 !