Which equation has (2,-1) for a solution?
A. y= 2x - 1
B. y= x +3
C. y= x - 3
D. y= -2*x+1
please help
4 answers
Substitute the numbers for the letters for each equation. Which equation is correct?
so... C.?
C. y= x - 3
2 = -1 - 3
2 = -4
Nope!
2 = -1 - 3
2 = -4
Nope!
Y = x - 3.
Y = 2 - 3 = -1.
So the answer is C.
Y = 2 - 3 = -1.
So the answer is C.