Answer:
[tex] \boxed{(b) \: y = 2x - 1}[/tex]
Step-by-step explanation:
Find the gradient
( 2,3 ) and ( 0, -1)
[tex]m = \frac{y2 - y1}{x2 - x1} = \frac{ - 1 - 3}{0 - 2} = \frac{ - 4}{ - 2} = 2[/tex]
Gradient is 2
Find linear equation
y - y1 = m ( x - x1 )
y - 3 = 2 ( x - 2 )
y - 3 = 2x - 4
y = 2x - 4 + 3
[tex] \boxed{y = 2x - 1}[/tex]
