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velikii [3]
3 years ago
6

Evaluate for x = 2. A. 4 B. 5 C. 6 D. 7

Mathematics
1 answer:
kakasveta [241]3 years ago
7 0
I hope that A. Is the answer
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What is the discriminant of the quadratic equation 2x² - x - 3=0?
Tamiku [17]

The given quadratic equation is

2 {x}^{2}  - x - 3 = 0

comparing with

{ax}^{2}  + bx + c = 0

We get ,

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formula :

D =  {b}^{2}  - 4ac \\  \\ D =  {( - 1)}^{2}  - 4 \times 2 \times ( - 3) \\  \\ D = 1 - ( - 24) \\  \\D  = 1 + 24 \\  \\D  = 25.

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option (B) 25 ✔

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2 years ago
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3 years ago
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Semenov [28]
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(0.a * 10) - (0.a ÷ 10) = 6.93
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Answer: please clarify

Step-by-step explanation:

3 0
3 years ago
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