Help with finding perpendicular equation?

1 ⤊

y= 2.5x-4 containing points (0,-4)

Is the negative reciprocal -1/2.5 or is it -2.5?

2007-05-24 19:31:06 · 3 answers · asked by Anonymous in Education & Reference ➔ Homework Help

I am guessing that it is -2 1/2

2007-05-24 19:38:28 · answer #1 · answered by Kristenite’s Back! 7 · 1⤊ 0⤋

you can't have decimals in fractions thus think of 2.5 as 5/2 then the opposite reciprocal = -2/5

2007-05-25 02:40:45 · answer #2 · answered by Anonymous · 0⤊ 0⤋

-1/2.5 which is -2/5

2007-05-25 02:38:55 · answer #3 · answered by Jessica 2 · 0⤊ 0⤋