help's answer to chantelle's Secondary 3 E Maths Singapore question.
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y is 0 for A since it lies on the x axis
A=(x,0)
so x²+4x = 0
x(x+4) = 0
x = 0
(rejected cause A coordinate does not lie on the y axis)
or
x+4= 0
x= -4
hence A is (-4,0)
A=(x,0)
so x²+4x = 0
x(x+4) = 0
x = 0
(rejected cause A coordinate does not lie on the y axis)
or
x+4= 0
x= -4
hence A is (-4,0)
Date Posted:
2 years ago
thankyouu so much :))
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