Question

Construa o gráfico de y = -2x + 1

Answer 1

$y=-2x+1 \\ \\ com~~y=0 \\ \\ -2x+1=0 \\ -2x=-1~~~\times(-1) \\ 2x=1 \\ x= \frac{1}{2} \\ \\ ponto~~( \frac{1}{2} ,0)~~corta~~eixo~~x \\ \\ com~~x=0 \\ \\ y=-(0)+1 \\ y=+1 \\ \\ ponto~~(0,1)~~corta~~eixo~~y$