Core Subjects Flashcards
7 cards from real HSC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Core Subjects flashcards as text
In Mathematics Extension 1, the binomial theorem expands (a + b)ⁿ. What is the coefficient of the third term when n = 4?
Answer: 6
The third term of (a+b)⁴ uses C(4,2) = 6 as its binomial coefficient.
Which of the following best defines 'homeostasis' in Biology?
Answer: The maintenance of a stable internal environment despite external changes
Homeostasis refers to the body's ability to regulate internal conditions such as temperature and pH within a narrow range.
In English, the term 'intertextuality' refers to:
Answer: The way a text references, echoes, or is shaped by other texts
Intertextuality describes how texts inherently contain references or relationships to other texts.
In Chemistry, Le Chatelier's Principle states that a system at equilibrium will:
Answer: Shift to counteract any applied stress and restore equilibrium
Le Chatelier's Principle predicts that a system will oppose any change imposed on it to re-establish equilibrium.
Which economic concept refers to the additional output produced by employing one more unit of a factor of production?
Answer: Marginal product
Marginal product measures the change in total output resulting from adding one more unit of an input, like labor.
In Physics, which property of a wave determines its pitch when heard as sound?
Answer: Frequency
The pitch of a sound is determined by its frequency — higher frequency produces a higher-pitched sound.
A historian arguing that economic factors were the primary cause of World War I is presenting which type of argument?
Answer: Monocausal
A monocausal argument attributes a historical event to a single primary cause, in this case economic factors.