Mathematics · Quadratic Equations
Solve the given equations and answer the question below: I. x2 - 2(b - a)x = (102 - x) II. y2 + (a + b)y + 84 = 0 III. z2 + (a + b)z + (PQ) = 0 Note: i) 24a + 12b = 324 ii) 18a - 6b = 48 iii) The smaller root in equation I is P, and the higher root in equation II is Q. Find the smaller root of equation III.
- 1-18✓
- 2-2
- 3-16
- 4-3
Correct answer
-18
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