___________________________________________
10² - 2²
= (10 - 2) × (10 + 2)
= 8 × 12
= 96
Atau
= (10 × 10) - (2 × 2)
= 100 - 4
___________________________________________ f(x) = 12x² + x
f(27) = 12(27²) + 27
f(27) = 12(729) + 27
f(27) = (12 × 729) + 27
f(27) = 8.748 + 27
f(27) = 8.775
• 10² - 2²
• ( 10 x 10 ) - ( 2 x 2 )
• ( 100 - 4 )
• (96)
• f(x) = 12x²+ x
• f(27) = 12(27²) + 27
• f(27) = 12(27 x 27) + 27
• f(27) = 12(729) + 27
• f(27) = 8.748 + 27
• f(27) = 8.775
#Koreksi
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SOAL 1
___________________________________________
10² - 2²
= (10 - 2) × (10 + 2)
= 8 × 12
= 96
Atau
10² - 2²
= (10 × 10) - (2 × 2)
= 100 - 4
= 96
___________________________________________
SOAL 2
___________________________________________ f(x) = 12x² + x
___________________________________________
f(27) = 12(27²) + 27
f(27) = 12(729) + 27
f(27) = (12 × 729) + 27
f(27) = 8.748 + 27
f(27) = 8.775
___________________________________________
Penyelesaian
• 10² - 2²
• ( 10 x 10 ) - ( 2 x 2 )
• ( 100 - 4 )
• (96)
• f(x) = 12x²+ x
• f(27) = 12(27²) + 27
• f(27) = 12(27 x 27) + 27
• f(27) = 12(729) + 27
• f(27) = 8.748 + 27
• f(27) = 8.775
#Koreksi