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svet-max [94.6K]
3 years ago
8

b) x 2 + x -2 Find the zeroes of the quadratic polynomial and verify the relationship between the zeroes and the coefficients;

Mathematics
1 answer:
natulia [17]3 years ago
3 0
Well ...I don't understand that but here's something that would help me calm down

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Answer:(d): y=ax+b (a≠0); (d1)y=-4x+13

because of (d)⊥(d1) --> a.(-4)=-1 --> a=\frac{1}{4}

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Read 2 more answers
Solve the following equation for n 18n^2-50=0
Firdavs [7]

18n^2-50=0\ \ \ |+50\\\\18n^2=50\ \ \ |:18\\\\n^2=\dfrac{50}{18}\\\\n^2=\dfrac{50:2}{18:2}\\\\n^2=\dfrac{25}{9}\to n=\pm\sqrt{\dfrac{25}{9}}\\\\n=\pm\dfrac{\sqrt{25}}{\sqrt{9}}\\\\\boxed{n=-\dfrac{5}{3}\ \vee\ n=\dfrac{5}{3}}

Used:\\\sqrt{\dfrac{a}{b}}=\dfrac{\sqrt{a}}{\sqrt{b}}

3 0
3 years ago
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