Part 1: Solve the following equation using one of the methods listed below. Part 2: Using complete sentences, explain why you chose the method you used. Equation: 0 = x2 + 10x + 5
Methods: Completing the Square Factoring Quadratic Formula Graphing
@JuniorEinstein1
@jcpd910
0 = x2 + 10x + 5 Let's use the quadratic formula, it's the most fun.
\[x = \frac{ -b \sqrt{b^{2} - 4ac} }{ 2a }\]
0 = x2 + 10x + 5 0 = ax^2 + bx + c a = 1 b = 10 c = 5
ok i got x=[ - 5 ± 2√5] / 2
is it right
\[x = \frac{ -10 \sqrt{10^{2} - 4(1)(5)} }{ 2(1) }\]
and what should i write for part 2
Part 2: Using complete sentences, explain why you chose the method you used. I used it because I am more familiar with it than the other methods.
Now I'ma solve for x
thanks for the help
i think i am right on my answer
i gotta go bye
\[x = \frac{ -10 \sqrt{10^{2} - 4(1)(5)} }{ 2(1) }\] \[x = \frac{ -10 \sqrt{100 -20} }{ 2 }\] \[x = \frac{ -10 \sqrt{80} }{ 2 }\] \[x = -20\sqrt{5}\]
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