9 results authored by Kjell Hansen - search across all users.
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Question in Kjell's workspace
No description given
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Question in Kjell's workspace
Solve for $x$: $\displaystyle ax ^ 2 + bx + c=0$.
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Question in Kjell's workspace
Solving quadratic equations using the formula
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Question in Kjell's workspace
Selection of Quadratic Equations to Solve
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Question in Kjell's workspace
Selection of Quadratic Equations to Solve
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Question in Kjell's workspace
Find the stationary points of the function: $f(x,y)=a x ^ 3 + b x ^ 2 y + c y ^ 2 x + dy$ by choosing from a list of points.
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Question in Kjell's workspace
Solve a first order algebraic equation
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Question in Kjell's workspace
Testing -(-3) +(-2) etc. One part.
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Question in Kjell's workspace
Testing addition, multiplication and division involving negative numbers.