Answer:
Step-by-step explanation:
a) A(5, __)
Plugin x = 5 in the equation.
y = 2x -1
y = 2*5 - 1
= 10 - 1
y = 9
A(5 , 9)
b) B(___ , -1)
Plugin y = -1 in the equation
y = 2x -1
-1 = 2x - 1 {add 1 to both sides}
-1 + 1 = 2x
0 = 2x
2x = 0
x = 0
B(0 , -1)
