Perkalian Bentuk Aljabar
Authored by meydayanti sitepu
Mathematics
7th - 9th Grade
Used 242+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hasil dari a x a = ....
2a
a2
2a2
a2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hasil kali dari 5 x ( n + 3 ) adalah....
5n + 3
5 + 3n
5n + 15
15n
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
(x+y)2 =... .
x2 + y2 + 2xy
-x2- y2 + 2xy
x2 + y2 + xy
x2 - y2 + 2xy
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Bentuk sederhana dari −2 (2x2 + 3x − 4) adalah ... .
−2x2 + 6x − 8
−4x2 + 6x − 8
−4x2 - 6x + 8
−4x2 - 6x − 8
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Bentuk sederhana dari perkalian suku (2x−3)(x+5) adalah ....
2x2 - 13x - 15
2x2 + 13x + 15
2x2 − 7x + 15
2x2 + 7x - 15
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
3. Perhatikan bentuk aljabar berikut.
(i) 9x2 - 25 = (3x - 5)2
(ii) 7x2 + 11x - 6 = (7x - 3) (x + 2)
(iii) x2 + x - 12 = (x + 2) (x - 6)
(iv) x2 + 7x + 12 = (x - 4) (x - 3)
Pernyataan yang benar adalah ... .
(i) dan (ii)
(ii) dan (iii)
(i) dan (iii)
(ii) dan (iv)
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sebuah persegi panjang panjangnya( 3a+b) cm dan lebarnya (2a+2b )cm. Keliling persegi panjang adalah...cm
6a + 3b
10a + 6b
12a + 6b
5a + 3b
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