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exam 2 thoughts + answers, applying sticky

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joechan521:
CORE Q1) a) bell shape with trail to the right, positive skewed
bi) 26 ii) 19.4%
Q2a) 1964
bi)13.77 ii)-0.09 iii) 0.013
Q3bi) y=60.3x-776.9
c)randomly scattered above and below the axis
d)83%
e] strong positive linear

GEOMETRY
Q1a)12cm
b)20.6
c)41.1
d)1/2
Q2b) 3344
Q3a)7168
c)420
Q4a)3/4
b)37/64

GRAPH
Q1a) 30
b)190
c)95
Q2a)10.8
c) ave.speed>75km/h
d)$7.92
Q3a)the number of hours driving =<24h
c)yes as x=10y=5
d)max 18 min17


MATRICES
Q1a)
[160
280
180
80  ]
bi) 1890
ii) 4x4
iii) total energy
c) b=4 m=4 p=2 h=1
Q2 a) 700
b)0.5
ci)
[160
280
180
80]
ii) 280
iii)56
iv)7
v)
[0
0
0
700]
di)
[190
280
180
80]

ii) 130

dashkenny:
YES, first haha!

i thought it was a lot easier then exam 1 T_T

i'll umm type my answers out after lunch, kinda cbf right now:)

good luck boys and girls

reg:
fkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk

core, relations, business was all good, but i panicked in geometry and lost at least 7 marks ................. ran out of time too

Nick:
How do you guys know your answers?

We didn't get to keep the paper?

joechan521:

--- Quote from: "Nick" ---How do you guys know your answers?

We didn't get to keep the paper?
--- End quote ---


wrote in formulae sheet

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