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Nezavi [6.7K]
3 years ago
14

2x2-9x+1=0 value of discrimination and number of real solutions

Mathematics
1 answer:
Afina-wow [57]3 years ago
5 0

2 \times 2 - 9x + 1 = 0 \\  \\ 1. \:  - 9x + 5 = 0 \\ 2. \:  - 9x =  - 5 \\ 3. \:  \frac{ - 9x}{ - 9}  =  \frac{ - 5}{ - 9}  \\ x =  \frac{5}{9}  \\ or \\  \\ 1. \: 4 - 9x + 1 = 0 \\ 2. \:  - 9x + 5 = 0 \\ 3. \:  - 9x =  - 5 \\ 4. \: x =  \frac{ - 5}{ - 9}  \\ 5. \: x =  \frac{5}{9}

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