6206 results.
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Question in Content created by Newcastle University
Exercise using a given uniform distribution $X$, calculating the expectation and variance. Also finding $P(X \le a)$ for a given value $a$.
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Question in Content created by Newcastle University
Finding the value of a variable
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Question in Content created by Newcastle University
Express $\log_a(x^{c}y^{d})$ in terms of $\log_a(x)$ and $\log_a(y)$. Find $q(x)$ such that $\frac{f}{g}\log_a(x)+\log_a(rx+s)-\log_a(x^{1/t})=\log_a(q(x))$
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Question in Content created by Newcastle University
Find $\displaystyle \frac{a} {b + \frac{c}{d}}$ as a single fraction in the form $\displaystyle \frac{p}{q}$ for integers $p$ and $q$.
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Question in Content created by Newcastle University
Solve for $x$ and $y$: \[ \begin{eqnarray} a_1x+b_1y&=&c_1\\ a_2x+b_2y&=&c_2 \end{eqnarray} \]
The included video describes a more direct method of solving when, for example, one of the equations gives a variable directly in terms of the other variable.
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Question in Content created by Newcastle University
Solve for $x$: $\displaystyle 2\log_{a}(x+b)- \log_{a}(x+c)=d$.
Make sure that your choice is a solution by substituting back into the equation.
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Question in Content created by Newcastle University
Solve for $x$: $\displaystyle \frac{a} {bx+c} + d= s$
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Question in Content created by Newcastle University
Solve $\displaystyle ax + b = cx + d$ for $x$.
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Question in Content created by Newcastle University
Solve for $x$ and $y$: \[ \begin{eqnarray} a_1x+b_1y&=&c_1\\ a_2x+b_2y&=&c_2 \end{eqnarray} \]
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Question in Content created by Newcastle University
What is the value of the expression given a choice of n?
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Exam (2 questions) in Transition to university
Questions on adding, subtracting, multiplying and dividing numbers in standard form.
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Question in Transition to university
Identify well-known fractional equivalents of decimals. Convert obscure decimals and recurring decimals into fractions.
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Question in Transition to university
Add two numbers in standard form, then subtract two numbers in standard form.
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Question in Transition to university
Convert a variety of numbers from decimal to standard index form.
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Question in Transition to university
Given the first few terms of an arithmetic sequence, write down its formula, then find a couple of particular terms.
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Question in Transition to university
This question aims to assess the student's understanding of the difference between biased and unbiased events and also to assess the student's understanding of the fact that the experimental probability tends towards the theoretical probability as the number of trials increases.
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Question in Transition to university
Given two distributions, calculate the measures of average and spread and make some decisions based on the results.
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Exam (4 questions) in Transition to university
Work with measurements of weight, mass and density.
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Question in Transition to university
Calculate outcomes for different configurations of rolling two dice.
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Exam (3 questions) in Transition to university
Questions involving the calculation of the volumes of shapes.
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Question in Transition to university
Rearrange some expressions involving logarithms by applying the relation $\log_b(a) = c \iff a = b^c$.
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Question in Transition to university
Use laws for addition and subtraction of logarithms to simplify a given logarithmic expression to an arbitrary base.
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Question in Transition to university
Use the rule $\log_a(n^b) = b\log_a(n)$ to rearrange some expressions.
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Exam (4 questions) in Transition to university
Questions on manipulating logarithms.
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Question in Transition to university
Calculate a speed in m/s given distance and time taken, then convert that to km/hour
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Question in Transition to university
Use the BODMAS rule to determine the order in which to evaluate some arithmetic expressions.
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Question in Transition to university
A graph shows both the speed and acceleration of a car. Identify which line corresponds to which measurement, and calculate the acceleration during a portion of time.
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Question in Transition to university
Factorise a quadratic expression of the form $x^2+akx+bk^2$ for $x$, in terms of $k$. $a$ and $b$ are constants.
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Question in Transition to university
Apply the factor theorem to check which of a list of linear polynomials are factors of another polynomial.
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Exam (12 questions) in Transition to university
A collection of questions on working with units of measurement, mainly in the SI/metric system.
Several 'real-world' examples.