EN UNII IESIO: Quadratic Equations and Functions
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Two numbers are 10 units away in different directions
from their midpoint, m, on a number line. The product
of the numbers is -99.
Which equation can be used to find m, the midpoint of
the two numbers?
Om - 5)(m + 5) = 99
(m-10)(m + 10) = 99
O m2 - 25 = -99
0 m2 - 100 = -99