hasil dari 1,4 × 41/6 : 7/8 =

f ( x ) = − 9 x 2 + 7 x + 8 a = − 9 ; b = 7 ; c = 8 x v er t e x ​ = 2 a − b ​ x v er t e x ​ = 2 ⋅ ( − 9 ) − 7 ​ = − 18 − 7 ​ = 18 7 ​

Answered by Anonymous | 2024-06-10

x v ​ = − 2 a b ​ x v ​ = − 2 ⋅ ( − 9 ) 7 ​ x v ​ = 18 7 ​

Answered by konrad509 | 2024-06-10

The x-coordinate of the vertex of the parabola defined by f ( x ) = − 9 x 2 + 7 x + 8 is 18 7 ​ . This is derived using the vertex formula x v er t e x ​ = 2 a − b ​ .
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Answered by Anonymous | 2024-12-24

[tex] = 1.4 \times \frac{41}{6} \div \frac{7}{8} [/tex][tex] = \frac{7}{5} \times \frac{41}{6} \times \frac{8}{7} [/tex][tex] = \frac{2.296}{210} [/tex][tex] = \frac{164}{15} [/tex][tex] = 10 \frac{14}{15} [/tex][tex]\boxed{ \red{ \boxed{\pink{\mathcal{M \frak{ ilana} \purple{ \tt01}}}}}} [/tex]

Answered by Milana01 | 2025-07-03