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If y = ½x + 1 , show by calculation that the graph crosses the x-axis at x= -2​

1 Answer

5 votes

Answer:

Yes, the graph crosses the x-axis at x = -2.

Step-/by-step explanation:

Substitute x = -2 in the equation.


\sf y =(1)/(2)x + 1\\\\y =(1)/(2)*(-2)+1\\\\y = - 1 + 1\\\\y = 0

At x-axis, the value of y = 0.

So, the graph crosses the x-axis.

User Vlp
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