Question

A função do primeiro grau y =-2x + 4 intercepta o eixo das abcissas no ponto

A) (0,0)
B) (0,2)
C) (-2, 4)
D)(2,0)
E) (4,-2)
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Answer 1

$\boxed{\begin{array}{l}\sf y=0\\\sf -2x+4=0\\\sf 2x=4\\\sf x=\dfrac{4}{2}\\\sf x=2\implies A(2,0)\end{array}}$