# Mathematics!

linear function – a function with the ordered pairs that satisfy a linear equation
pythagoras theorum – a² + b² = c²
Denominator – bottom number on fraction
Stationary points occur when…? – y'=0
orthogonal (ɔːˈθɒɡənəl)
perpendicular (ˌpɜːpənˈdɪkjʊlə) – orthogonal
perpendiculaire
Rational numbers – all integers, decimals and fractions.
How do you find the solutions of a quadratic equation? – -b±√(b – 4ac) / 2a
calculator – a small machine that is used for mathematical calculations
Assume that a sample is used to estimate a population proportion p. Find the margin of error E that corresponds to the given statistics and confidence level. Round the margin of error to four decimal places.99% confidence; n = 800, x = 400
Direct Variation – Increase (or decrease) in one variable causes a proportional increase (or decrease) in another variable. y=cx
proper fraction – ułamek właściwy
Assume thаt а sаmple is used tо estimate a pоpulatiоn proportion p. Find the margin of error E that corresponds to the given statistics and confidence level. Round the margin of error to four decimal places.99% confidence; n = 800, x = 400
Mixed number – Number representing the sum of a whole number and a proper fraction.
What are plates made of? – Lithosphere