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anonymous
 one year ago
Solve x2 + 6x + 7 = 0.
a) x = −1 and x = −5
b) 3 plus or minus square root of 2
c)3 plus or minus square root of 2
d)3 plus or minus square root of 2 all over 2
anonymous
 one year ago
Solve x2 + 6x + 7 = 0. a) x = −1 and x = −5 b) 3 plus or minus square root of 2 c)3 plus or minus square root of 2 d)3 plus or minus square root of 2 all over 2

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0use the quadratic formula \[\frac{ b \pm \sqrt{b ^{2}4ac} }{ 2a }\] A= 1 B = 6 C= 7

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ya it's 6/2 = 3 and sqrt(8) / 2 = sqrt(2)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so 3 plus minus sqrt 2

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0you were right, you just didn't apply the /2

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0how would i do −16t2 + 64t + 4?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0would it be 2 plus or minus square root of 17 all over 2?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[2 \pm \frac{ \sqrt{17} }{ 2 }\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0since it's 64/32 = 2 it becomes only sqrt(17)/2
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