2x² - 5x - 7 = 0
a = 2, b = - 5, c = - 7
[tex]S=-\frac{b}{a}=-\frac{(-5)}{2}=\frac{2}{5}[/tex]
[tex]P=\frac{c}{a}=\frac{(-7)}{2} =-\frac{7}{2}[/tex]
X) [tex]S-P=\frac{5}{2}-(-\frac{7}{2})=\frac{5}{2}+\frac{7}{2}=\frac{12}{2}=6[/tex]
b) S + P = 2
c) S . P = 4
d) S / P = 1
e) S < P
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2x² - 5x - 7 = 0
a = 2, b = - 5, c = - 7
[tex]S=-\frac{b}{a}=-\frac{(-5)}{2}=\frac{2}{5}[/tex]
[tex]P=\frac{c}{a}=\frac{(-7)}{2} =-\frac{7}{2}[/tex]
X) [tex]S-P=\frac{5}{2}-(-\frac{7}{2})=\frac{5}{2}+\frac{7}{2}=\frac{12}{2}=6[/tex]
b) S + P = 2
c) S . P = 4
d) S / P = 1
e) S < P