48 results authored by Ida Landgärds  search across all users.

Question in Ida's workspace
Add, subtract, multiply and divide algebraic fractions.

Question in Ida's workspace
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Question in Ida's workspace
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Question in Ida's workspace
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Question in Ida's workspace
Given the original price of a smartphone and the rate at which it decreases, calculate its price after a given number of months. In the second part, calculate the time remaining until the price goes below a certain point.

Question in Ida's workspace
Add, subtract, multiply and divide algebraic fractions.

Question in Ida's workspace
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Question in Ida's workspace
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Question in Ida's workspace
This question tests the students ability to factorise simple quadratic equations (where the coefficient of the x^2 term is 1) and use the factorised equation to solve the equation when it is equal to 0.

Question in Ida's workspace
Use two points on a line graph to calculate the gradient and $y$intercept and hence the equation of the straight line running through both points.
The answer box for the third part plots the function which allows the student to check their answer against the graph before submitting.
This particular example has a positive gradient.

Question in Ida's workspace
Match up equations with the corresponding lines on a graph.

Question in Test projekt
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Question in Ida's workspace
Rearrange some expressions involving logarithms by applying the relation $\log_b(a) = c \iff a = b^c$.

Question in Ida's workspace
Use two points on a line graph to calculate the gradient and $y$intercept and hence the equation of the straight line running through both points.
The answer box for the third part plots the function which allows the student to check their answer against the graph before submitting.
This particular example has a positive gradient.

Question in Ida's workspace
Use laws for addition and subtraction of logarithms to simplify a given logarithmic expression to an arbitrary base.

Question in Ida's workspace
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Question in Ida's workspace
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Question in Ida's workspace
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Question in Ida's workspace
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Question in Ida's workspace
Use the rule $\log_a(n^b) = b\log_a(n)$ to rearrange some expressions.

Question in Ida's workspace
Rearrange some expressions involving logarithms by applying the relation $\log_b(a) = c \iff a = b^c$.

Question in Ida's workspace
Express $\log_a(x^{c}y^{d})$ in terms of $\log_a(x)$ and $\log_a(y)$. Find $q(x)$ such that $\frac{f}{g}\log_a(x)+\log_a(rx+s)\log_a(x^{1/t})=\log_a(q(x))$

Question in MA138 projektet
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Question in MA138 projektet
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Question in MA138 projektet
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Question in MA138 projektet
This question tests the students ability to factorise simple quadratic equations (where the coefficient of the x^2 term is 1) and use the factorised equation to solve the equation when it is equal to 0.

Question in MA138 projektet
Add, subtract, multiply and divide algebraic fractions.

Question in Ida's workspace
No description given

Question in Ida's workspace
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Question in MA138 projektet
A basic introduction to differentiation