aidanmajor02
aidanmajor02 aidanmajor02
  • 14-08-2022
  • Mathematics
contestada

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

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devishri1977
devishri1977 devishri1977
  • 14-08-2022

Answer:

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

Step-/by-step explanation:

Substitute x = -2 in the equation.

     [tex]\sf y =\dfrac{1}{2}x + 1\\\\y =\dfrac{1}{2}*(-2)+1\\\\y = - 1 + 1\\\\y = 0[/tex]

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

So, the graph crosses the x-axis.

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