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Junior Cert 2010: Maths Paper 1

13567

Comments

  • #62
    iAmStacysMom
    Registered Users, Registered Users 2 Posts: 15 ✭iAmStacysMom


    Hey, I'm Chloe, and I joined the forum just so I could hold massive post-mortems on my exams :D

    I thought the paper was easy enough, except for Q5 (c). Ooooh dear.


  • #63
    Namabillion
    Closed Accounts Posts: 647 ✭✭✭Namabillion


    M&S* wrote: »
    You can only do one or the other! :O I'll keep it on deg and see how things go...

    U can set it to normal mode and set the deg rad grad button to deg


  • #64
    Blue_Seas
    Registered Users, Registered Users 2 Posts: 277 ✭✭Blue_Seas


    I feel terrified that I found it difficult now D:

    Ah well not much I can do and there's no way I'm opting for HL next year :D


  • #65
    Namabillion
    Closed Accounts Posts: 647 ✭✭✭Namabillion


    What answer did ye get for compound interest on Q2C


  • #66
    Closed ac
    Closed Accounts Posts: 2,347 ✭✭✭Closed ac


    So, so easy. I only didn't get the answer to Q4 C (iii) and Q5 C (ii) but I still attempted them so I'll get marks. Otherwise, I think I got the rest. :)


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  • #67
    iAmStacysMom
    Registered Users, Registered Users 2 Posts: 15 ✭iAmStacysMom


    Namabillion wrote: »
    What answer did ye get for compound interest on Q3C

    Something like 2060.30.


  • #68
    DylanS09
    Closed Accounts Posts: 2,640 ✭✭✭DylanS09


    I didn't get the Venn Diagram till the end...
    I attempted it at the start and started getting all thes long numbers and stuff so I left it and came back to it at the end...
    Please someone say that X=7


  • #69
    bluejay14
    Registered Users, Registered Users 2 Posts: 3,849 ✭✭✭bluejay14


    Thought it was fairly east apart from the very lsy part of question 3. I took a stab at it anyway. Over all I'm over the moon with it. If that doesn't get me an A I don't know what will tbh.


  • #70
    iAmStacysMom
    Registered Users, Registered Users 2 Posts: 15 ✭iAmStacysMom


    DylanS09 wrote: »
    I didn't get the Venn Diagram till the end...
    I attempted it at the start and started getting all thes long numbers and stuff so I left it and came back to it at the end...
    Please someone say that X=7

    x=10?
    D:


  • #71
    soccymonster
    Registered Users, Registered Users 2 Posts: 9,553 ✭✭✭soccymonster


    I have lost all faith in rosary beads........


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  • #72
    Closed ac
    Closed Accounts Posts: 2,347 ✭✭✭Closed ac


    Sorry Dylan, x=10 :(


  • #73
    DylanS09
    Closed Accounts Posts: 2,640 ✭✭✭DylanS09


    iAmStacysMom wrote: »
    x=10?
    D:

    Could you not have just let me be???:(


  • #74
    Closed ac
    Closed Accounts Posts: 2,347 ✭✭✭Closed ac


    soccymonster wrote: »
    I have lost all faith in rosary beads........

    How'd you sister get on?


  • #75
    Closed ac
    Closed Accounts Posts: 2,347 ✭✭✭Closed ac


    iAmStacysMom wrote: »
    Hey, I'm Chloe, and I joined the forum just so I could hold massive post-mortems on my exams :D

    I thought the paper was easy enough, except for Q5 (c). Ooooh dear.

    Hi Chloe! :)


  • #76
    Luno
    Registered Users, Registered Users 2 Posts: 6,840 ✭✭✭Luno


    DylanS09 wrote: »
    I didn't get the Venn Diagram till the end...
    I attempted it at the start and started getting all thes long numbers and stuff so I left it and came back to it at the end...
    Please someone say that X=7
    iAmStacysMom wrote: »
    x=10?
    D:

    x = 6 and I'm pretty sure of it cause when you added up the seperate cicles they were spot on with x as 6... Well at least I hope so!

    Thought it was easy enough. Redid questions I didn't get in the last 30 min and got some decent looking answers!:)


  • #77
    Jackobyte
    Registered Users, Registered Users 2 Posts: 6,321 ✭✭✭Jackobyte


    Delighted with. I'd say I got almost full marks. The only question I didn't answer correctly was the one, in the a ±b√b

    I made a small multiplication mistake the first time I did it. With 2 minutes to go, I started trying to find the mistake. Found it and was working my way through correcting it when your one was like "Pens down now. I said PENS DOWN!" 20 more seconds was all I needed to fix it! :( T'was only a slip though. Other than that, I think I had every other answer right

    Venn diagram: x=10


  • #78
    storm2811
    Closed Accounts Posts: 2,183 ✭✭✭storm2811


    Anyone do ordinary maths?What was up with that graph Q near the start?
    And the last graph aswell,it wasn't the normal U shape was it?

    I think I fooked up this exam:(


  • #79
    Colm!
    Closed Accounts Posts: 2,014 ✭✭✭Colm!


    giggsy664 wrote: »
    For 3Cii, it said give it as a±b√b where a,b Are natural numbers (Positive whole numbers). Using the -b±b^2 formula, I got -1±3√3
    THIS IS WHERE I GOT SERIOUSLY CONFUSED
    I got -1±3√3, but.. isn't -1 not a natural number?
    This was the only difficult part of the exam. Either the question was badly phrased and it meant "where a, b e Z" instead of "where a, b e N", but I don't know.

    Also, yeah, x=10 for Venn


  • #80
    Luno
    Registered Users, Registered Users 2 Posts: 6,840 ✭✭✭Luno


    Jackobyte wrote: »
    Delighted with. I'd say I got almost full marks. The only question I didn't answer correctly was the one, in the a ±b√b

    I made a small multiplication mistake the first time I did it. With 2 minutes to go, I started trying to find the mistake. Found it and was working my way through correcting it when your one was like "Pens down now. I said PENS DOWN!" 20 more seconds was all I needed to fix it! :( T'was only a slip though. Other than that, I think I had every other answer right

    Venn diagram: x=10

    The answer was like 6 but I said 3 + 1√9 which equals 6 :)

    Hope that was right anyways!


  • #81
    suitcasepink
    Moderators, Education Moderators Posts: 7,853 Mod ✭✭✭✭suitcasepink


    soccymonster wrote: »
    I have lost all faith in rosary beads........

    She is ****ing not alone Soccy.... ):


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  • #82
    DylanS09
    Closed Accounts Posts: 2,640 ✭✭✭DylanS09


    storm2811 wrote: »
    Anyone do ordinary maths?What was up with that graph Q near the start?
    And the last graph aswell,it wasn't the normal U shape was it?

    I think I fooked up this exam:(

    I don't do it, but everybody in my room left after about 40 minutes on the ordinary paper...I was still fixing mistakes and that up until the last second...


  • #83
    Closed ac
    Closed Accounts Posts: 2,347 ✭✭✭Closed ac


    M&S* wrote: »
    x = 6 and I'm pretty sure of it cause when you added up the seperate cicles they were spot on with x as 6... Well at least I hope so!

    Thought it was easy enough. Redid questions I didn't get in the last 30 min and got some decent looking answers!:)

    T'was x=10 :o


  • #84
    Namabillion
    Closed Accounts Posts: 647 ✭✭✭Namabillion


    M&S* wrote: »
    x = 6 and I'm pretty sure of it cause when you added up the seperate cicles they were spot on with x as 6... Well at least I hope so!

    Thought it was easy enough. Redid questions I didn't get in the last 30 min and got some decent looking answers!:)

    x = 10 works cos everything will add to 100


  • #85
    Mayoegian
    Closed Accounts Posts: 777 ✭✭✭Mayoegian


    Colm! wrote: »
    THIS IS WHERE I GOT SERIOUSLY CONFUSED
    I got -1±3√3, but.. isn't -1 not a natural number?
    This was the only difficult part of the exam. Either the question was badly phrased and it meant "where a, b e Z" instead of "where a, b e N", but I don't know.

    Also, yeah, x=10 for Venn

    Well what was the value of b? Are you sure that B was positive? It could have been negative, so when you put it into the formula it would turn positive?


  • #86
    Luno
    Registered Users, Registered Users 2 Posts: 6,840 ✭✭✭Luno


    DKZ wrote: »
    T'was x=10 :o
    Namabillion wrote: »
    x = 10 works cos everything will add to 100

    Hm :( :L
    Ahwell sure haha I feel like an idiot!


  • #87
    soccymonster
    Registered Users, Registered Users 2 Posts: 9,553 ✭✭✭soccymonster


    DKZ wrote: »
    How'd you sister get on?

    she found it really difficult.
    I asked her about the venn diagram (since ye were saying x=10) and asked what she got. "oh, i got that right, x was 20":D
    *sigh*
    I won't break her heart and tell her it was 10. She like paper 2 though!


  • #88
    storm2811
    Closed Accounts Posts: 2,183 ✭✭✭storm2811


    DylanS09 wrote: »
    I don't do it, but everybody in my room left after about 40 minutes on the ordinary paper...I was still fixing mistakes and that up until the last second...

    Yeah I actually got nervous for maths and didn't leave till about 3,couldn't think straight,even doing the feckin venn diagrams and sets.:pac:


  • #89
    Closed ac
    Closed Accounts Posts: 2,347 ✭✭✭Closed ac


    soccymonster wrote: »
    she found it really difficult.
    I asked her about the venn diagram (since ye were saying x=10) and asked what she got. "oh, i got that right, x was 20":D
    *sigh*
    I won't break her heart and tell her it was 10. She like paper 2 though!

    Yeah, quite a few people I spoke to found it kinda hard aswell.

    Q1 C (ii) & Q2 C (i) took me ages to get but I ended up with €60,000 and 2%!


  • #90
    DylanS09
    Closed Accounts Posts: 2,640 ✭✭✭DylanS09


    soccymonster wrote: »
    she found it really difficult.
    I asked her about the venn diagram (since ye were saying x=10) and asked what she got. "oh, i got that right, x was 20":D
    *sigh*
    I won't break her heart and tell her it was 10. She like paper 2 though!

    I think I could get 100% in paper two if I started learning theorems...The rest of that paper is easy tbh!


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  • #91
    suitcasepink
    Moderators, Education Moderators Posts: 7,853 Mod ✭✭✭✭suitcasepink


    DKZ wrote: »
    Yeah, quite a few people I spoke to found it kinda hard aswell.

    Q1 C (ii) & Q2 C (i) took me ages to get but I ended up with €60,000 and 2%!

    Thats right, one the supervisors did it out..


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