Face it, some of us really struggled last chapter, ask me your questions here and then check back often and hopefully we will be able to get things figured out when we aren't in class. If you can help answer anyone else's questions, feel free to do that as well.
how do i do 1-9 on 11-5 practice
ReplyDeleteon tuesdays assignment im really struggling...for problems like 6-9 (some are FOIL), the proofs, and the story problems i don't understand how to do them...this is pg 596..
ReplyDelete~Abby~
ok and i've just been looking at todays assignment (pg603 1-19,20-24) and i dont understand how to do it at all...so i will be coming in tomorrow morning for some help.
ReplyDelete~Abby~
Ok, tomorrow morning sounds good, we can get you fixed up in a few minutes no problem.
Delete7:40, I have to droP my kids off, but it will be easy, you just need to remember a few things from algebra
Deleteok...and i hope so because im just getting so frustrated because i can't understand how to do it...and will 7:30 be ok?
ReplyDeleteabby
ok...7:40...gotcha
ReplyDeleteabby
ok...um how do you construct the center of a circle? and for #20 how do you find the area of a circle again? isnt it 1/2 * radius squared * pi?
ReplyDeleteabby
Pi times radius squared, and u just draw two chord and construct the perpendicular bisectors if both, where they cross is the center
ReplyDeleteok... and is the perp. bisectors like using the compass and making the marks...?
ReplyDeleteabby
Yes
ReplyDeleteok thank you and will you be in tomorrow moring about the same as today? because i can get parts of the proofs but i cant figure out all the reasons...
ReplyDeleteabby
Yes, we have a teachers meeting but as soon as I'm done we can work on the proofs.
ReplyDeleteand on the constructing the center of a circle, the chords can be on opposite sides right?
ReplyDeleteand we leave at 8 for our band competition tomorrow so...
ReplyDeleteYes, if we need to we will work on stuff Monday morning
ReplyDeletewell we will be back by geometry time...
ReplyDeleteThen we can do it in class
Deleteoh ok...i just didn't know if the questions would take to long...but ok
ReplyDeletehello, i was wondering when i could come and do the notecard...?
ReplyDeleteabby
i was also wondering how to find a degree of a tangent to a chord but the chord isn't the diameter...is it still 90? it is number 16 on pg 631 if that helps...
ReplyDeleteabby
Why don't u just do a card at home then bring it to school, that way u can still test tomorrow, and I'll be at school for lunch then we can answer any questions right before the test
ReplyDeleteok...will do that...thanks
ReplyDeleteabby
How do you give a point on a circle?
ReplyDeletelike what number on the review?
Deleteabby
It's not on the review, like pg. 631. He just told us write equation of circle give center and a point on the circle.
Deleteok so the equation is (x-h)squared + (y-k)squared = radius squared...the center is h,k and im not sure what the point would be...do you think it is just like another point like (ex. (1,3)) on circle?
Deleteok and if you look on page 590 at like 27-30, that looks like it might be the same...
Deleteokay so say you had a circle and the equation was (x-3)squared + (y-4)squared =3... now would you just pick any point in that circle that the equation makes?
ReplyDeleteim not for sure but i think so...so i think that means you could say that a point on the circle is (3,8) ?
Deleteokay thats what i was thinking. and on #7 on pg. 631 they're asking for the whole side right. just use pathagorean therom?
Deleteand is #6 on pg. 631 86 degrees?
Deleteno they are just asking for that little part outside the circle i think cause using pathagorean theorem it gives you 40, but im thinking it's that little part...
Deleteon 6 i got 94 degrees...
Deletebecause wouldn't you go 90+90+86....then 180-that answer?
Deleteokay, how did you get 94? im so lost in this chapter...
Deleteok sorry 360-that answer...
DeleteYes 360 is what it would all add up to because it's a quadrilateral
Deletei went 90+90+86= 266 then 360-266=94...
DeleteOh! okay..makes sense..
Deleteyeah...sorry! and did you figure out how to do 7?
Deleteno.. did you?
Deleteno...haha well we can ask mr. dobbins at lunch tomorrow...kk?
Deleteokay. #9 did you get 7.2?
Deleteyes.
Delete#10 is 9.8?
Deleteyep! i think you might be gettin it!
ReplyDeleteif everything was the pathagorean thereom id be good!!
Deleteditto!
Deletehey on #13 i know the length of the chord how do you find the measure of the arc?
ReplyDeletei took the cosine=3/6 and took that answer times two...then it took that answer times 2...cause i found the angle of that first triangle then i added two to get the intercepted angle of AB then times that answer by two....get it? its confusing i know but its hard to explain
ReplyDeleteso your answer is 120?
ReplyDeleteyes!! you got it!!
ReplyDeleteokay so heres what i all got, 16- a=44 b=71 17- x=26 y=40 19- x=5.9 and 20- x=8..those right?
ReplyDeleteand 18 is 10.5
ReplyDeletei got every one of those except 17, y-i got like 41.5 but thats still ok...otherwise...yep all good!! way to go! :)
ReplyDeletei actually understand this...wow thanks!
DeleteYep. No problem. You'll do good tomorrow.
ReplyDelete