Quadratic equations problems 1 (inequalities)

Quadratic equations problems(inequalities)

DETERMINE THE RELATION BETWEEN FOLLOWING EQUATIONS :

Q 1)i ) a(a+7) = 30
ii) b = (400 / 36) ^1/2

Q 2) 6a² - 32a + 42 = 0
6b² + 25b + 21 = 0

Q 3) 10x¹⁵ (x^-12) = 640
(1/24) *(b¹³) = (1/ 192) * (b¹⁵)

Q 4)20x² - 108x + 144 = 0
25y² - 90y + 72 = 0

Q 5)9x² + 81x + 162 = 0
7y² - 7y + 84 = 0

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