Question

find the slope of a line that passes through (2,4)and (-7,8) and the mutiple choices are -4/9, -4/5, 5/4, 0r -9/4 which one is it

Answer 1

at the same time it climbs up (+y direction) +4 from +4 to +8, it goes right (+x direction) -9 from +2 to -7
so the slope is
+4/-9 = -4/9