OCR Maths B Unofficial Markscheme

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Reply 80

tomo_nufc

Original post by sahil19

yes yes yes.

What was the question though??

Reply 81

sahil19

Original post by tomo_nufc

What was the question though??

The last question it was a solving a sim equation algebraically

Reply 82

charlievanest

Is there a Linear B unofficial mark scheme for the calculator paper?

Reply 83

tomo_nufc

Original post by sahil19

The last question it was a solving a sim equation algebraically

I got like 6 and 27 and -0.5 and -5.5

Reply 84

freyjmae

Original post by sabaaaa

I got x = -0.5 and y = 0.5
and x = -4 and y = -33
I dont know if those are actually right tho

I got x= -6 and y= -33

how did you get y= -33 if you used x= -4 ? Super nervous now :eek:

Also what did people get for the pineapple juice one I put recipe B

Reply 85

Gclw

What did everyone get for the bearings questions

Reply 86

freyjmae

Original post by Gclw

What did everyone get for the bearings questions

I think most people got 175, I put 175.43 which was the other answer most people put

Reply 87

willg66

For the simultaneous equation I put like -6 0.5 0.7 idk 😂😂 not 33 or anything but I put both x values back Into the equation and it worked?

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Reply 88

ARK_REVISES

Original post by freyjmae

I got x= -6 and y= -33

how did you get y= -33 if you used x= -4 ? Super nervous now :eek:

Also what did people get for the pineapple juice one I put recipe B

I got recipe b but my grinds are saying it was c. Oh I got 0.18333333333 for recipe b

Reply 89

ranchers

Original post by freyjmae

I got x= -6 and y= -33

how did you get y= -33 if you used x= -4 ? Super nervous now :eek:

Also what did people get for the pineapple juice one I put recipe B

i got -6 and recipe B as well!!

Reply 90

davidkaplan13

Bearing question was 175. Last simulations equation was 0.5 and -0.5 and -6 and -33. the percentage question about calculating the end percentage the guy gets was 1.64%. It was recipe B. Hope this helps. If you guys remind me of some question, i might be able to remember more answers! :smile:

(edited 7 years ago)

Reply 91

student56091234

First page I got 15 and 20%
1.7% on the percentage question
Around 54 on the spider one
Second to last page (sin graph) : 55 and 145
Recipe B
-2.25 on some random equation question
x= -6 & y= -33 , x= 0.5 & y= -0.5
I dont know, anyone get the same? Or any other questions

Reply 92

willg66

Can anyone remember the linear equation to the simultaneous equation? It was something like 5x= something but 33 didn't work when inputting into the equation?

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Reply 93

Kristina.24

for the recipe one I put c which is probably wrong, I forgot how to do proportion🙄
I got like 54 for the spider one
Got 175.4 for bearings
I got x= 0.5 and y= -0.5 and x= -6 y=-33 for the simultaneous equation one
Can't really remember what else I put

Reply 94

Kristina.24

Original post by willg66

Can anyone remember the linear equation to the simultaneous equation? It was something like 5x= something but 33 didn't work when inputting into the equation?
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The equations on the last page? I think it was 5x - 3

Reply 95

willg66

Original post by Kristina.24

The equations on the last page? I think it was 5x - 3

Oh okay so so if y = 5x + 3 rearrange to 5x = y +3 if y is -6 then 5x = -3 so -3/5 to get x = -0.6 not 33 I'm failing to understand how everyone's got 33. I solved by making them equal to each other so when you solved the quadratic after making them equal you'd solve for the y values not the x values then substitute in to find X well that's what my teacher said.

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