25. Find the discriminant and nature of the roots of quadratic equation:
2x² - 6x + 3 = 0
26. A bag contains 5 red balls and some blue balls. If the probability of drawing a blue ball is double that
of a red ball. Determine the number of blue balls in the bag.
PART C (7X3=21)
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25.
D = b² - 4ac
= (-6)² - 4×2×3
= 36 - 24
= 12
D>0
Hence the equation has two real and distinct roots.
26. If the probability of drawing a Blue ball is double than that of the red ball then the number of blue ball must be double than that of the red ball.
Hence the number of blue ball is 10.
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