August 2018 1 99 Report

Diketahui sebuah titik E ( a, b ) didilatasikan terhadap titik ( 1, 2 ) dan faktor skala -4 menghasilkan bayangan E' ( 13, -8 ). Nilai a + b adalah ...

a. -5

b. 2

c. 4

d. 5

jawab pakai cara ya ?


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