Solve using the quadratic formula. - 5x²+ 13x - 3 = 0
A. http://diagnostic.achievementseries.com/cdn//1/_graphics_math_14175e/0b5d5c71-1088-43b0-ade4-4314749135ea.gif B. http://diagnostic.achievementseries.com/cdn//1/_graphics_math_14175d/a5577d20-f7e0-4cbb-9301-c6a7a213429e.gif C. http://diagnostic.achievementseries.com/cdn//1/_graphics_math_14175f/abac4025-3e82-42a6-bc66-9db841185879.gif D. http://diagnostic.achievementseries.com/cdn//1/_graphics_math_14175g/f211222b-70fd-451c-9268-e82479cd5fb5.gif
The quadratic formula is\[x = \frac{ -b \pm \sqrt{b^2-4ac}}{ 2a }\]
so it's either a or c
\[x = \frac{ -13 \pm \sqrt{13^2 - 4(-5)(-3)} }{ 2(-5) }\]
the answer is right @jackmullen55 and @Ajohnson2199
What answer?
o srry A.
yes
yay thanx
Ya
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