If it's not too much of a bother

could someone explain why we need an a, b, and c, in standard form when point-slope and point-intersect.

i understand how to convert the equations, but i don't understand why a, b, and c are nessasary

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655