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so what shall we do.. i still cant find it :P
stop pretending , put up your questions now
hahaha... no im not, seriously i cant find it :(
well, i guess i will just work on something else in math, i will do that when i find it :P
okay next science
that powerpoint? i am going to do that tonight :)
hehe.. yes :)
wait a sec :)
haha this is funny :D
lol i am editing it, there are some grammatical mistakes, like in third slide, there should be comma after well
sure, edit it the way you like :)
yea yea :D
oh thanks! :D
first read it
and find the places where i have done editing
yes i can see some :D
now maths lol
yep, no maths today :P
can you help with ordered pairs? :/ thats easyy stuff, i cant do that :D
post your question please
then post what you can't
okay well one is.. Determine whether the ordered pair (2, 15) is a solution of y = 4x - 7.
put the value of x=2 and y=15 if this satisfies the equation then it is a solution else it is not like y=15, x=2 15=4*2-7 15 can't be equal to 8-7 which is 1 so as 15 can't be =1 therefore it is not a solution of this y=4x-7
umm..okay i think i got that :D
umm this... :D A plumbing company charges $50 for a service call and $15 per hour. They went on a 3-hour job. How much did the company earn? A. $195
sorry.. A. $195 B. $165 C. $95 D. $65
well, $50 is charge and extra of $15 per hour so for three hours it will be $15*3=$45 and $50 is service call charge so total of $50+$45=$95 okay?
hmm... wait a sec :D
sure , next please
most of the questions are like this, Determine whether the ordered pair (5, 3) is a solution of y = 3x – 4. .... i just wanna know how to solve those :/
look in all these equations just put x=5 and y=3 actually the content of bracket (5,3) are the values of x and y (x,y) now if putting x=5 and y=3 in the equation y=3x-4 satisfies then it is a solution else not now put x=5 and y=3 3=3*5-4=15-4=11 3=15-4 which is not correct if we would have obtained 3=3 then it must be the solution but we got 3=11 which is false so its not a solution
i dont get it :/ where did the 15 and 11 come from?
i am here.. :D
well at the place of x in the equation put x=5 and at y put y=3 now y=3x-4 put y=3 and x-5 3=3*5-4 ------------ 3*5= 15 3=15-4------------15-4=11 3=11 this is false , clear?
okay it seems confusing but i will go over this a few times later, but thanks :)
just put y= its value and x= the value of x as in ordered pair in the equation and if both the sides are equal you will have it as solution else no
and this will help you more i guess http://www.virtualnerd.com/pre-algebra/algebra-tools/test-ordered-pair-equation-solution.php
please can we stop for now.. i dont wanna do this :(
umm.. are you sure? :D
hahah am i sure come on keep asking
This is Last one.. please 7. Use a table of solutions to find the ordered pair solution for y = 4x – 6 when x = 10. A. (34, 10) B. (10, 34) C. (10, 8) D. (8, 10)
no after this you're gonna do it unless you're finished :)
nope im not even close to being done :P
if we put x=10 in the equation y=4x-6 we will get y= 4*10-6 , just at the place of x put x=10 y=40-6 y=34 therefore your ordered pair is (10,34) which means when x=10 , y=34 clear?
yes clear! :P
hmm next ? unless you are finished
yes i am finished, now thanks! :P lol
actually no.. sorry :)
question ? :)
wait please :(
whats a quadric eqaution?
or quadratic* sorry
quadratic equations are those whose degree is two like the equation in which maximum power of x is 2 and minimum too like \[x^2+x+2=0, x^2+1=0, x^2=0\] equations in which power of x is two are quadratics ,so this type of equations are not quadratic , \[x+1=0, x^3+3x^2+x+3=0\] in quadratic power of x must be 2
so your answer is option D cuz its cubic x has power 3 clear?
hmmm.. alright :)
whats a parabola?
its a conic section, created from the intersection of a right circular conical surface and a plane parallel to a generating straight line of that surface. like consider this |dw:1353988143775:dw| its a parabola and every quadratic equation represents a parabola so all the equations with degree two which means power of x should be 2 represents a prabola
is it B?
lol its B
sorry for my bad drawing :P lol thanks !! :D
A- straight line C- cubic curve D- hyperbolic so its B clear?
yes clear thank you! :D
hmm should i draw the next question or just do screen shot of it, i think drawing would be too slow :P
take snap shot and attach it here fast
do you know what is vertex? if not then remember every parabola has lowest and highest point that point is called as vertex like the point where curve takes a turn here in this picture its (-2,1) clear??
just see the point in the graph where parabola take,s turn at the bottom
ohh hmm i didnt know that well thanks that helps a lot i think i can do this now :D
noo i will finish this now :D
next please viki? i know you won't so ask now
what does X-intercepts mean?
well x intercept means where the curve cuts the x axis or where the line meets x axis here in an example|dw:1353988840083:dw| in this graph we can see that line cuts x axis at 2,0 so x intercept is 2 and y is 3
lol let me explain ;)
intercept simply means the point where curve cuts the axes okay?
what is it not clear?
|dw:1353989048953:dw| you mean these things?
its the point on axes like x axis or y where the curve cuts it okay like take an example of line |dw:1353989013085:dw| so that point 4, 0 says line cuts x axis at 4 so x intercept is 4
yes those things , where line passes the axis
hmm alright i understand now, thanks :D
so the answer is (-3,3) ?
no intercept will always have either x=0 or y=0 so it could be (4.0) or (0,3)
but it cant be 4 because line crosses at 3 :/
intercept is the length of or part of either axis where line cuts it so for x intercept you have to put y coordinate=0 and for y you have to put x=0 yes x intercept is 2 because line cuts x axis at 2 and y intercept is 3 cuz line cuts y at 3
but itc cant be 2!! it has to be one of the answer choices
show me the question please if it asks for x intercept then it would be, 2,0 or if it asks for y then it would be 0,3 show me question please
we just did it lol come on are you awake
wait sorry wrong question !! my bad :(
look in to th graph it cuts x axis twice at -1 and at -3 so can you find what are the x intercepts?
remember y would be zero
is it A? im not really sure :/
come on if it is cutting x axis at -1 and -3 then x intercepts are -3,0 and -1,0 , silly :) clear?
hmm okay got it! :D thanks :D
next ? :)
come on now question please
|dw:1353989991234:dw| here is your question ;)
OMG i was scared of this lol wait a sec
are you going to erase it :(
where did you go sweetie :(
heyyyyy woww :D nice!! ;)
thank you :)
i am all here for my baby bunny , now question please
its place to study not for romance ;)
hehehe :D i know ;) lets carry on :D
post it :D
hehehe your funny :D
wait please :D
come on , hey shall we delete those cuz moderators will ban us lol i have taken photo of it
hmm okay :(
okay leave it as it is :) <3 and baby next question please
im not scared of mods :P and this question is closed anyway :D
okay sweetheart next question please
i know you are doing something again
|dw:1353990534628:dw| wow sorry that took too long :P
cant you judge , x should have power of 2 so which one it is??
hmm great thank you :D
parabola always have power 2 okay and its drawn up side which means positive so its B , clear?
ohh okay :D thank you! :D
what to do in this?? lol
should i post screen shot instead lol ?
what you are supposed to find in this question? vertex?
yes find the vertex :D
and there is no coordinates hahahahaha take snapshot again lol
hmm alright im sorry :( i tried.. :'(
do it now :)
baby, look it turns at x=1 and y=4 that is the top point of parabola so its (1,4) okay :D ?
okay :D sorry :D this is funny though :D
lol its really funny hehe
oh no, its D, -1,0 and 3,0
oh crap sorry i forgot it is negative :(
look to represent x intercept we write it like (x,0) because y is zero for x intercept and for y intercept we write it like (0,y) cuz x =0 so it cant be A ever cuz that shows y coordinate and you have to find x clear??
yes clear thank you :) this is the last question :)
yes clear thank you :) this is the last question :)
next, i know this is not the last one there are 10
it is there :D
next quiz baby :)
its done :)
next quiz :) ??
and what was your score?
thank you! :D
OMG which two were incorrect and why you did it??
i have give right answer to every question you did it knowingly :(
but thank you :D
come on you cant be that silly :(
i didnt know im sorrry :(
now open next please
oops sorry lol
but all that stuff is here,how come it all moved here?
i can't believe this i don't know what's happening that's why i am confused lol