89 results authored by Blathnaid Sheridan - search across all users.
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Exam (4 questions) in Blathnaid's workspace
Find the lowest common multiple and highest common factors of given numbers. Also a question on identifying prime numbers.
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Exam (9 questions) in Blathnaid's workspace
This quiz contains questions on functions, limits, logs, exponential functions, simultaneous equations and quadratic equations.
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Exam (7 questions) in Blathnaid's workspace
Questions on powers, the laws of indices, and exponential growth.
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Exam (7 questions) in Blathnaid's workspace
Matrix addition, multiplication. Finding inverse. Determinants. Systems of equations.
rebelmaths
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Exam (5 questions) in Blathnaid's workspace
First- and second order recurrence equations, homogenous and nonhomogenous
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Question in Blathnaid's workspace
Solving three simultaneous congruences using the Chinese Remainder Theorem:
\begin{eqnarray*} x\;&\equiv&\;b_1\;&\mod&\;n_1\\ x\;&\equiv&\;b_2\;&\mod&\;n_2\\x\;&\equiv&\;b_3\;&\mod&\;n_3 \end{eqnarray*} where \operatorname{gcd}(n_1,n_2,n_3)=1
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Exam (1 question) in Blathnaid's workspace
Given two numbers, find the gcd, then use Bézout's algorithm to find s and t such that as+bt=\operatorname{gcd}(a,b).
Finally, find all solutions of an equation \mod b.
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Exam (3 questions) in Blathnaid's workspaceQuestions used in a university course titled "Number theory and cryptography"
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Question in Blathnaid's workspace
Given some random finite subsets of the natural numbers, perform set operations \cap,\;\cup and complement.
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Question in Blathnaid's workspace
No description given
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Question in Blathnaid's workspace
Find the gcd d of two positive integers a and b also find integers x,y such that ax+by=d, using the extended Euclidean algorithm.
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Question in Blathnaid's workspace
Let x_n=\frac{an+b}{cn+d},\;\;n=1,\;2\ldots. Find \lim_{x \to\infty} x_n=L and find least N such that |x_n-L| \le 10^{-r},\;n \geq N,\;r \in \{2,\;3,\;4\}.
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Exam (1 question) in Blathnaid's workspace
Questions on differentiating with the chain rule and product rule.
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Exam (9 questions) in Blathnaid's workspace
Differentiation of polynomials, cos, sin, exp, log functions. Product, quotient and chain rules.
rebelmaths
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Question in Blathnaid's workspace
Using simple substitution to find \lim_{x \to a} bx+c, \lim_{x \to a} bx^2+cx+d and \displaystyle \lim_{x \to a} \frac{bx+c}{dx+f} where d\times a+f \neq 0.
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Exam (1 question) in Blathnaid's workspace
Critical points, absolute minimum, local maximum and minimum points, increasing and decreasing, concavity
rebel
rebelmaths
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Question in Blathnaid's workspace
Real life problems with differentiation
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Exam (1 question) in Blathnaid's workspace
Find \frac{\mathrm{d}y}{\mathrm{d}x} by differentiating an implicit equation.
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Question in Blathnaid's workspace
Implicit differentiation.
Given x^2+y^2+ax+by=c find \displaystyle \frac{dy}{dx} in terms of x and y.
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Exam (1 question) in Blathnaid's workspace
8 questions on the quotient rule in differentiation.
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Exam (1 question) in Blathnaid's workspace
8 questions on the quotient rule in differentiation.
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Exam (3 questions) in Blathnaid's workspace
8 questions on the quotient rule in differentiation.
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Exam (1 question) in Blathnaid's workspace
Practice dividing polynomials using the long division method.
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Exam (1 question) in Blathnaid's workspace
Questions about logical predicates, and basic set theory concepts.
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Exam (1 question) in Blathnaid's workspace
Questions about logical predicates, and basic set theory concepts.
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Exam (3 questions) in Blathnaid's workspace
4 questions. Qualitative, quantitative random variables, types of sampling, frequencies, stem and leaf plot, descriptive statistics.
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Exam (3 questions) in Blathnaid's workspace
Questions about logical predicates, and basic set theory concepts.
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Exam (4 questions) in Blathnaid's workspaceQuestions used in a university course titled "Number theory and cryptography"
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Question in Blathnaid's workspace
Calculations in \mathbb{Z_n} for three values of n.