Penjelasan dengan langkah-langkah:
11. 3x² - p = 0
3(2)² - p = 0
12 - p = 0
p = 12 (A)
12. X = 2 (A)
13. y = 0 atau y = 5 (A)
14. p = -7 atau p = 4 (C)
15. t = -5 atau t = 2 (B)
16. 6x³ + 5x + 2 = 0 (POLINOMIAL)
3x(2x - 5) = 6x² - 15x (KUDRAT)
4x - 8 = 0 (LINEAR)
2x (5x² - 9x) = 10x³ - 18x (POLINOMIAL)
Jawaban = B
17. D x(2x+1) = 3
18.
19. x² - 4 = 3(x - 2)
x² - 4 = 3x - 6
x² - 3x + 2 = 0
(x - 1) (x - 2) = 0
x = 1 atau x = 2 (Soal kurang jelas a,b,c yang mana?)
20. y² + py - 6 = 0
(-1)² +p(-1) - 6 = 0
1 - p - 6 = 0
-5 - p = 0
p = -5 (C)
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Penjelasan dengan langkah-langkah:
11. 3x² - p = 0
3(2)² - p = 0
12 - p = 0
p = 12 (A)
12. X = 2 (A)
13. y = 0 atau y = 5 (A)
14. p = -7 atau p = 4 (C)
15. t = -5 atau t = 2 (B)
16. 6x³ + 5x + 2 = 0 (POLINOMIAL)
3x(2x - 5) = 6x² - 15x (KUDRAT)
4x - 8 = 0 (LINEAR)
2x (5x² - 9x) = 10x³ - 18x (POLINOMIAL)
Jawaban = B
17. D x(2x+1) = 3
18.
19. x² - 4 = 3(x - 2)
x² - 4 = 3x - 6
x² - 3x + 2 = 0
(x - 1) (x - 2) = 0
x = 1 atau x = 2 (Soal kurang jelas a,b,c yang mana?)
20. y² + py - 6 = 0
(-1)² +p(-1) - 6 = 0
1 - p - 6 = 0
-5 - p = 0
p = -5 (C)