How To ... Flashcards
How would you change the subject?
Rearrange the equation to get c by itself (c=…), to do this use the inverse operations to move everything else across.
What would the first step be to making m the subject?
Collect all the m’s on one side of the equation
What would you do first for this question?
Make the denominators the same
What would you do first to simplify the following algegraic fraction?
Factorise as much as you can (both numerator and denominator)
What would you do first for the following question?
Form a fraction for each ratio and set equal to.
What would you do first for the following question?
Make denominators the same (by multiplying top and bottom by the same thing)
How would you solve this problem?
Multiply the numerators together, multiply the denominators together.
*simplify of possible
How would you solve the following question?
Use KFC method (Keep, Flip, Change)
*simplify if possible
How would you simplify the following surd?
Split the number into a ‘square number’ x something, then you can square root the square number
How would you rationalise the denominator?
Multiply the numerator and denominator by the surd on the bottom
How would you rationalise the denominator for the following?
Multiply numerator and denominator by the conjugate of the denominator
How would you evaluate f(5) for the following question?
Substitute 5 in place of x in the function and find the value
How would you find the inverse function for?
Rearrange the function to make x the subject.
You have now found the inverse function. Switch x and f(x) around (make f(x) into f’(x))
How would you find the composite function fg(x)?
Substitute the entirety of g(x) into f(x)
