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june 2009 regents question

kialolipop

New member
Joined
Jan 28, 2010
Messages
1
x squared-7x+6=0
 

syedrox123454

New member
Joined
Jan 28, 2010
Messages
4
ax squared + bx + c = 0
a * c = 6 b = -7

b squared - 7x = 6 = 0
(x-6)(x-1)=0
x=6 x=1

1 and 6 are the answers
 

mmm4444bot

Super Moderator
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Oct 6, 2005
Messages
10,158
syedrox123454 said:
b squared - 7x = 6 = 0 What is this? Six does not equal zero, and b^2 is 49.

(x - 6)(x - 1) = 0 This looks good

x - 6 = 0

or

x - 1 = 0



x=6 x=1

1 and 6 are the answers Yup.
 
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