Which of the following is an equation of the line that passes through the point (1, 1) and has a slope of 2?

A.

y = 2x – 1

B.

y = 2x + 1

C.

y = –2x – 1

D.

y = –2x + 1

Question

Which of the following is an equation of the line that passes through the point (1, 1) and has a slope of 2?




A. 

y = 2x – 1 


B. 

y = 2x + 1 


C. 

y = –2x – 1 


D. 

y = –2x + 1

anonymous · Answer

Y-Y1=m(x-X1)
sub each term with its value so you get
y-1=2(x-1)
y=2x-2+1
y=2x-1   matches with A

anonymous · Answer

equation should be (y-1)=2(x-1)  so y-1=2x-2--> y=2x-1...this is called slope intercept form