51 results authored by Katie Lester  search across all users.

Question in Katie's workspace
Finding the volumes of basic 3D shapes

Question in Katie's workspace
Finding lengths of sides of triangles

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Simple trig equations with degrees

Question in Katie's workspace
Simple trig equations with radians

Question in Katie's workspace
Trigonometric equations with degrees

Question in Katie's workspace
Trigonometric equations with radians

Question in Katie's workspace
More difficult trigonometric equations with degrees

Question in Katie's workspace
More difficult trigonometric equations with radians

Question in Katie's workspace
Using trig identities to find solutions to equations

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Coverting back from standard form

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Converting to standard form in both positive and negative powers

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More work with dividing and multiplying algebraic fractions

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Practice with fractions

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Basic solving of linear equations

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Solving linear equations

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Rearranging equations to change the subject

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Step by step solving for integration by substitution

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Step by step solving for integration by substitution

Question in Katie's workspace
Solving integration by substitution without help

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Solving integration by substitution and rearranging $u$ for $x$

Question in Katie's workspace
Factorising basic quadratics into linear expressions

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Factorising further basic quadratics into linear expressions

Question in Katie's workspace
Factorising further quadratics into linear expressions

Question in Katie's workspace
Factorising further quadratics into linear expressions using the formula

Question in Katie's workspace
Find $c$ and $d$ such that $x^2+ax+b = (x+c)^2+d$.

Question in Katie's workspace
Using the chain rule with polynomials

Question in Katie's workspace
Factorising polynomials using the highest common factor

Question in Katie's workspace
A basic introduction to differentiation

Question in Katie's workspace
A basic introduction to differentiation

Question in Katie's workspace
Using the chain rule with polynomials and negative powers