19 results authored by Ruth Hand  search across all users.

Question in Ruth's workspace
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Question in Ruth's workspace
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Exam (2 questions) in Ruth's workspace
This is a minitest to allow you to self assess your understanding of trigonometry.

Exam (3 questions) in Ruth's workspace
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Question in Ruth's workspace
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Question in Ruth's workspace
Uses JSXGraph to generate a plot for a cubic, with given critical points, along with three other incorrect graphs with modified properties. JSXGraph code is commented.

Question in Ruth's workspace
Inequality involving a single absolute value, question solution uses the piecewise nature of the absolute value function.

Question in Ruth's workspace
Evaluate $\int_0^{\,m}e^{ax}\;dx$, $\int_0^{p}\frac{1}{bx+d}\;dx,\;\int_0^{\pi/2} \sin(qx) \;dx$.
No solutions given in Advice to parts a and c.
Tolerance of 0.001 in answers to parts a and b. Perhaps should indicate to the student that a tolerance is set. The feedback on submitting an incorrect answer within the tolerance says that the answer is correct  perhaps there should be a different feedback in this case if possible for all such questions with tolerances.

Question in Ruth's workspace
Parametric form of a curve, cartesian points, tangent vector, and speed.

Question in Ruth's workspace
Use a given factor of a polynomial to find the full factorisation of the polynomial through long division.

Question in Ruth's workspace
Find the $x$ and $y$ components of a force which is applied at an angle to a particle. Resolve using $F \cos \theta$. The force acts in the positive $x$ and positive $y$ direction.

Question in Ruth's workspace
Draws a triangle based on 3 side lengths.

Question in Ruth's workspace
Find the $x$ and $y$ components of the resultant force on an object, when multiple forces are applied at different angles.

Question in Ruth's workspace
Find the $x$ and $y$ components of a force which is applied at an angle to a particle. Resolve using $F \cos \theta$. The force is applied in the negative $x$ and negative $y$ direction.

Question in Ruth's workspace
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Question in Ruth's workspace
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Question in Ruth's workspace
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Question in Ruth's workspace
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Question in Ruth's workspace
Solve for $x$: $\displaystyle ax+b = cx+d$