Question

Find the value of m if the line 2x + 5y + 12 = 0 passes through the point
( 4,m ).

Answer 1

The line 2x + 5y + 12 = 0 passes through (4,m)

(4,m) will satisfy the equation of line

2(4) + 5(m) + 12 = 0

8 + 5m + 12 = 0

5m + 20 = 0

m = `(-20)/5`

`therefore` m = -4