IB DP Maths: AA HL復(fù)習(xí)筆記2.9.1 Modulus Functions
What is the modulus function? At the vertex The function is?continuous The function is?not differentiable 轉(zhuǎn)載自savemyexams
IB DP Maths: AA HL復(fù)習(xí)筆記2.8.2 Polynomial Inequalities
How do I solve polynomial inequalities? STEP 1:?Rearrange?the inequality?so that?one of the sides is equal to zero For example:?P(x) ≤ 0 STEP 2: Find the?roots?of the polynomial You can do this by ...
IB DP Maths: AA HL復(fù)習(xí)筆記2.8.1 Solving Inequalities Graphically
How can I solve inequalities graphically? Consider the inequality?f(x) ≤?g(x), where?f(x) and?g(x) are functions of?x if we?move?g(x) to the LHS?we get f(x) –?g(x) ≤ 0 Solve?f(x) –?g(x) = 0 to?find...
IB DP Maths: AA HL復(fù)習(xí)筆記2.7.4 Roots of Polynomials
How do I find the sum & product of roots of polynomials? an??is the coefficient of the?leading term an-1??is the coefficient of the?xn-1?term Be careful: this could be equal to zero a0?is the?c...
IB DP Maths: AA HL復(fù)習(xí)筆記2.7.3 Polynomial Functions
In exams you’ll commonly be asked to sketch the graphs of different polynomial functions with and without the use of your GDC. What’s the relationship between a polynomial’s degree and its zeros? I...
IB DP Maths: AA HL復(fù)習(xí)筆記2.7.2 Polynomial Division
What is polynomial division? Polynomial division is the process of?dividing two polynomials This is usually only useful when the?degree of the denominator?is?less than or equal?to the?degree of the...
IB DP Maths: AA HL復(fù)習(xí)筆記2.7.1 Factor & Remainder Theorem
What is the factor theorem? The?factor theorem?is used to find the linear factors of?polynomial?equations This topic is closely tied to finding the?zeros?and?roots?of a?polynomial?function/equation...
IB DP Maths: AA HL復(fù)習(xí)筆記2.6.4 Composite Transformations of Graphs
What transformations do I need to know? How do horizontal and vertical transformations affect each other? Horizontal and vertical transformations?are?independent?of each other The horizontal transf...
IB DP Maths: AA HL復(fù)習(xí)筆記2.6.3 Stretches Graphs
What are stretches of graphs? When you alter a function in certain ways, the effects on the graph of the function can be described by?geometrical transformations For a?stretch: the graph is?stretch...
