Mathematics
10 Online
OpenStudy (anonymous):
-3q to the second power - 10q = q to the second power-15+5q
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myininaya (myininaya):
\[-3q^2-10q=q^2-15+5q\]
myininaya (myininaya):
get everything to one side
OpenStudy (saifoo.khan):
okay!
OpenStudy (anonymous):
thats the answer?
OpenStudy (anonymous):
what is the answer?
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myininaya (myininaya):
get everything to one side of the equation
myininaya (myininaya):
let me know what you get when you do this
myininaya (myininaya):
i assume you want to solve for q right?
OpenStudy (anonymous):
-3q^5q-10^15^+5q
myininaya (myininaya):
\[-3q^2-q^2-10q-5q+15=0\]
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myininaya (myininaya):
\[-4q^2-15q+15=0\]
OpenStudy (saifoo.khan):
OpenStudy (saifoo.khan):
C this/
OpenStudy (anonymous):
which one is it??? im sooooooooo confused
myininaya (myininaya):
now we use the quadratic formula
\[q=\frac{-b \pm \sqrt{b^2-4ac}}{2a}\]
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OpenStudy (anonymous):
no just combining
myininaya (myininaya):
i gotta go
OpenStudy (saifoo.khan):
rose, post the probs.. One by One.
OpenStudy (anonymous):
-3q to the second-10q +qto the second- 15+5q
OpenStudy (anonymous):
now you gave me a different answer then her i dont need steps I just need answer
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OpenStudy (saifoo.khan):
OpenStudy (anonymous):
ok. thanx i have a couple more
OpenStudy (saifoo.khan):
ok.
OpenStudy (anonymous):
1/3b - 4 +2/9b-4
OpenStudy (saifoo.khan):
post them seperately
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OpenStudy (anonymous):
1/3b -4 +2/9b -4
OpenStudy (saifoo.khan):
use brackets please! :'(
OpenStudy (anonymous):
(1/3b)-4(+2/9b)-4
OpenStudy (saifoo.khan):
OpenStudy (anonymous):
4/9b-8?
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OpenStudy (saifoo.khan):
yes/
OpenStudy (anonymous):
9.7-8.8b-3.2
OpenStudy (saifoo.khan):
-8.8b +6.5
OpenStudy (anonymous):
A sedan travels 6mph slower than a sports car . write an expression for the speed of the sedan if the sports car travels v mph?
OpenStudy (saifoo.khan):
v-6
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OpenStudy (anonymous):
evaluate the expression when x=-2
y= 2/3
z=4
w= -1/2
OpenStudy (saifoo.khan):
the ques is incomlepete.