Answered

Which equation is shown on the graph?    
A.y = 2x  
B.y = x + 2  
C.y = 2x + 2  
D.y = x – 2

Which equation is shown on the graph Ay 2x By x 2 Cy 2x 2 Dy x 2 class=


Answer :

[tex]y=mx+b\\\\A(0;\ 2);\ B(-2;\ 0)\\\\for\ x=2\to y=2\\\\substitute:m\cdot0+b=2\to b=2\\\\y=mx+2\\\\for\ x=-2\to y=0\\\\substitute:-2m+2=0\to-2m=-2\ \ \ /:(-2)\to m=1\\\\Answer:y=x+2\ (B)[/tex]

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