Mathematics
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OpenStudy (anonymous):
FAN AND MEDAL PLEASE HELP
Decide which part of the quadratic formula tells you whether the quadratic equation can be solved by factoring.
−b b2 − 4ac 2a
Use the part of the quadratic formula that you chose above and find its value, given the following quadratic equation:
4x2 + 6x + 2 = 0
11 years ago
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OpenStudy (anonymous):
legggoo raiders haha
11 years ago
OpenStudy (anonymous):
except we didn't make the playoffs :(
11 years ago
OpenStudy (anonymous):
So true
11 years ago
OpenStudy (anonymous):
can you help please
11 years ago
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OpenStudy (anonymous):
It says it wants numerical answers
11 years ago
OpenStudy (anonymous):
answer really
11 years ago
OpenStudy (skullpatrol):
factor out the greatest monomial factor first
11 years ago
OpenStudy (anonymous):
ok lets see
11 years ago
OpenStudy (anonymous):
out of the 4x2 + 6x + 2 = 0?
11 years ago
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OpenStudy (skullpatrol):
yes
11 years ago
OpenStudy (anonymous):
ok
11 years ago
OpenStudy (anonymous):
4 (x2 +1.5x + .5) + 0
11 years ago
OpenStudy (anonymous):
sorry i don't really know how to do this
11 years ago
OpenStudy (skullpatrol):
$$\Huge 4x^2 + 6x + 2 = 0$$$$\Huge 2*2x^2 + 2*3x + 2 = 0$$
11 years ago
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OpenStudy (anonymous):
ok i see
11 years ago
OpenStudy (skullpatrol):
What is the greatest common factor?
11 years ago
OpenStudy (anonymous):
2
11 years ago
OpenStudy (skullpatrol):
Ok, now factor it out please.
11 years ago
OpenStudy (anonymous):
ok
11 years ago
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OpenStudy (anonymous):
I'm sorry can you show me how
11 years ago
OpenStudy (skullpatrol):
$$\Huge ab+ac=a(b+c)$$
11 years ago
OpenStudy (anonymous):
ok
11 years ago
OpenStudy (anonymous):
does
a=2
11 years ago
OpenStudy (skullpatrol):
yes
11 years ago
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OpenStudy (anonymous):
b=3?
11 years ago
OpenStudy (skullpatrol):
yes
11 years ago
OpenStudy (anonymous):
2*3 + 2*2 = 2(3+2)
11 years ago
OpenStudy (skullpatrol):
|dw:1420639307284:dw|
11 years ago