Year 12 Maths

Vocab

100

The expression b² - 4ac

What is the discriminant?

200

Logarithms to the base e

What are natural logarithms?

300

A stationary point that is neither a local minimum or local maximum

What is a point of inflection?

400

The probability of incorrectly rejecting the null hypothesis

What is the actual significance level?

500

A mapping where every input has a distinct output

What is a function?

Mental Maths

100

The value of 16^-0.75

What is 1/8?

200

The sum of 5C0 and 5C1

What is 6?

300

The value of f²g(2), when:

f(x) = 2x² - 3

g(x) = 3x - 8

What is 47?

400

The co-ordinate of the stationary point of y = x² - 8x

What is (4, -16)?

500

The expansion of (1 - 2x)³

What is 1 - 6x + 12x² - 8x³?

Correct the Mistake

100

For a two-tailed test, double the significance level at the end you are testing

HALVE the significance level

200

If f(x)=e^3x, then f''(x)=e^3x

f''(x)=9e^3x

300

For independent events, P(A and B)=P(A) + P(B)

P(A and B)=P(A) x P(B)

400

The expansion of (4 + 3x)^3/2 is equivalent to the expansion of 4(1 + 3/4 x)^3/2

8(1 + 3/4 x)^3/2

500

The graph of y=f(ax) is a stretch of the graph y=f(x) by a scale factor of a in the vertical direction

Scale factor of 1/a in the HORIZONTAL direction (need both corrections!)

Large Data Set

100

A basic description of the data

What are weather data samples?

200

The time periods over which the data was collected

What are May-October 1987 and May-October 2015?

300

Any 3 weather variables in the LDS

What are any 3 of: daily mean temperature, daily total rainfall, daily total sunshine, daily maximum relative humidity, daily mean windspeed, daily maximum gust, daily mean wind direction, daily maximum gust direction, cloud cover, visibility, pressure?

400

A reason why the Daily Total Rainfall in the LDS might be an underestimate of the actual annual mean Daily Total Rainfall

What is "the data doesn't include winter months, when we would expect more rain"?

500

The unit for Daily Mean Pressure

What is a hectopascal / Pascal ?

Miscellaneous

100

Something you should never forget

What is +c?

200

The slang term for finding the absolute value of something

What is "modding it"?

300

The number of assessments you have completed this year (excluding baseline and End of Year)

What is 11?

400

The topic covered by Question 1 on your End of Year Pure paper

What is graph transformations?

500

The best thing about Maths

What is that you get to do even more of it next year?!