Write an equation of a line in point-slope form that has a slope of -2 and passes through (5, -1).

Question

anonymous · Answer

always use this forumla
$$y-y_{1} =m({x-x_{1}})$$
y1 = -1
x1 = 5 
m = -2 

U get hte equation

anonymous · Answer

so what would plain y and x be?

anonymous · Answer

i got the equation but what i got was wrong

shamim · Answer

u can solve it by another formula

anonymous · Answer

whats the formula?

shamim · Answer

y =mx+c

anonymous · Answer

ok lemme try it out

shamim · Answer

put in this equation
m=-2
x=5
y=-1

shamim · Answer

c=?

anonymous · Answer

ok this equation works and c would be either 5,-5,1,or-1

shamim · Answer

no

anonymous · Answer

well i looked at the answer choices

shamim · Answer

y =mx+c
-1=(-2)*5+c
c=?

anonymous · Answer

A.y-1=-2(x-5)
B.y + 1 = -2(x – 5)
C.y -5 = -2(x – 1)
D.y – 5 = -2(x + 1)

shamim · Answer

B

anonymous · Answer

ok thank you

shamim · Answer

i think u did not understand it

anonymous · Answer

how about this question:
For $360, a rock-climbing gym offers a yearly membership where members can climb as many days as they want and pay $4 per day for equipment rental. Nonmembers pay $10 per day to use the gym and $6 per day for equipment rental. Find the total number of visits when the cost for a member and nonmember will be the same.

shamim · Answer

no

anonymous · Answer

A.174
B.480
C.30
D.60

shamim · Answer

u r not trying to understand. just collecting result

anonymous · Answer

well im timed on this test