Kunci Jawaban Matematika Kelas 8 Halaman 11 Kurikulum Merdeka SMP Semester 1 Perkalian Suku Tunggal

(3) (3x)2

(4) (–4a)2

(5) (–6xy) × 2y

(6) 8x × (–x)2

Jawaban:

(1) a3 × a2 = (a x a x a) x (a x a) = a5

(2) 2a2 × 4a = (2 x a x a) x (4 x a)

= 2 x 4 x a x a x a = 8a3

(3) (3x)2= (3x) x (3x) = 9x2

(4) (-4a)2= (-4a) x (-4a)