the region R bounded by graph y = 8-x² and y = 2x the the area region R is.. a. 36 area units b. 36⅓ area units c. 36⅔ area units d. 72 area units e. 72⅓ area
Matematika
bywith5
Pertanyaan
the region R bounded by graph y = 8-x² and y = 2x
the the area region R is..
a. 36 area units
b. 36⅓ area units
c. 36⅔ area units
d. 72 area units
e. 72⅓ area units
pake cara ya
the the area region R is..
a. 36 area units
b. 36⅓ area units
c. 36⅔ area units
d. 72 area units
e. 72⅓ area units
pake cara ya
1 Jawaban
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1. Jawaban Anonyme
jawab
y = 8 - x²
y = 2x........(-)
0 = -x² - 2x + 8
atau
x² + 2x - 8 = 0
a= 1
b = 2
c = - 8
D = b² - 4ac
D = (2)² - 4(1)(-8)
D = 36
Luas = D√D / (6.a²)
L = (36)(6)/(6.)
L = 36