Question

If y = 2x + 2, show by calculation that the graph will cross on the x-axis at x=1​

Answer 1

When x = 1, y = 4. The point on the graph is (1,4)

Explanation:

1. Plug x = 1 into the equation

y = 2(1) + 2

2. Solve for y

y = 2 + 2 = 4

So, when x = 1, y = 4. Hope this helps!