A few days ago
in quadratic formula what is x^2 +8x + 5 =0 if nessary round to the nerest hundred.?
in quadratic formula what is x^2 +8x + 5 =0 if nessary round to the nerest hundred.?
Top 3 Answers
A few days ago
Favorite Answer
(-8 +/- sqrt(8^2-(4*5)))/2
= (-8 +/- sqrt(44))/2
= (-8 +/- 2sqrt(11))/2
= -4 +/- sqrt(11)
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A few days ago
-8 TIMES THE SQUARE ROOT OF: (-8)^2 – 4(1)(5) DIVIDED BY 2
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A few days ago
ax^2 + bx + c = 0
then,
x = [-b +or- sqrt(b^2-4ac)]/2a
x = [-8 +or- sqrt(64-20)]/2
x = -7.32 or -0.68
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