3 years ago

Solve the quadratic equation.......12x^2+178x-40

1 answer:

3 0

Answer:

Look at pics.

Step-by-step explanation:

Hope this helps!

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Scilla [17]

F ( x ) = k * x²
f ( 4 ) = 96
96 = k * 4²
96 = 16 k
k = 96 : 16
k = 6
f ( 2 ) = 6 * 2² = 6 * 4 = 24
Answer: D ) 24

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3 years ago

AleksAgata [21]

-8 is the answer ........

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jenyasd209 [6]

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sdas [7]

Answer:

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Step-by-step explanation:

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mel-nik [20]

8x+10=75
-10 -10
8x = 65
/ 8 /8
x= 8.125

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3 years ago