May 2019 1 225 Report
SPMB 2005 kode 470 (Regional I )

Parabola y = ax² + bx + 1 menyinggung sumbu x . jika garis singgung pada parabola tersebut di titik (0,1) tegak lurus garis 2y = x - 1, maka a = ...

a) 1/4
b) 1/2
c) 1
d) 2
e) 4
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