What is the solution set of 2x^2 - 3x = 5? (-1,-5/2) (-1, 5/2} (1.-5/2}
2 answers:
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Check the picture below.
notice AB ⟂ BC , whilst ∡B = 30°.
now, if we run a perpendicular line from C to AB, it'll be a 90° angle at M, however ∡AMC has to be 105°, so it has to be slanted more towards A, like in the picture, and surely you already know which one is the shortest.
notice AB ⟂ BC , whilst ∡B = 30°.
now, if we run a perpendicular line from C to AB, it'll be a 90° angle at M, however ∡AMC has to be 105°, so it has to be slanted more towards A, like in the picture, and surely you already know which one is the shortest.
No, because if y is in fact 9 then the expression evaluates to
which is a false hence y cannot be 9 but rather
.
Hope this helps.