High School Block:
Pre-Calculus 120B
Pre-Calculus 120B provides foundations for calculus and includes functions, combinatorics, and limits. Learners will analyze sequences and series, graph and analyze functions, apply combinatorial rules, solve and precisely define continuity. Learners will enact and apply prior knowledge of algebra and geometry, functions, logarithmic and exponential expressions, angle measurements, and trigonometric identities. Pre-Calculus 120B directly builds on concepts in Pre-Calculus 120A. This course develops preparatory skills for calculus and discrete mathematics; complements and is co-requisite with Pre-Calculus 120A.
Topics include arithmetic and geometric sequences and series; polynomial factoring and functions; reciprocal and rational functions; permutations, combinations, and binomial theorem; limits and continuity of functions.
Pre-Calculus 120A is recommended prior to enrolling in, or while also enrolled in, Pre-Calculus 120B.
CONTEXTS AND CONCEPTS
Strategies
- Using algorithms, thinking strategies, and reason to explore mathematical ideas
- Using technology to explore, estimate, verify, and visualize mathematical concepts
- Choosing the most efficient approach strategically and with flexibility
- Determining the reasonableness of solutions, and verifying correctness of solutions
- Using intuition, number sense, and symbols to formalize counting principles
- Reinforce, and further develop algebraic manipulation of expressions
- Applying knowledge to explore model representations of phenomena
Processes
- Deriving mathematical rules and algorithms
- Using calculators
- Using simulations
- Working with domain and range
- Working with test points and critical values
- Developing intuition and tools to distinguish between convergence and divergence
- Facilitating and justifying algebraic manipulation of limits by limit laws
- Converting between formats, representations, and equivalents
Fluency
- Absolute value
- Arithmetic sequences and series
- Geometric sequences and series
- Polynomial functions
- Piecewise functions
- Synthetic division
- Factor theorem and Integral zero theorem
- Sum and difference of cubes
- Factoring by grouping
- Factoring quartics as trinomials
- Function toolkit
- Permutations and combinations
- Fundamental counting principle
- Multiplication Principle
- Limits
Communication
- Expressing mathematical relationships using constants, variables, and functions
- Formulating and justifying mathematical arguments
- Representing mathematical ideas using symbolic, graphical, and numerical forms
- Communicating ideas orally using mathematical language
GRADE 12
Strand: Relations and Functions
Big Idea: Algebraic and Graphical Reasoning
Skill Descriptor: Analyze arithmetic and geometric sequences and series.
Global Competencies: CM, CTPS
Achievement Indicators:
- Define arithmetic and geometric sequences and arithmetic and geometric series
- Justify if given sequences are arithmetic or geometric (or neither)
- Determine the general term of arithmetic sequences or geometric sequences using a rule
- Determine the first term, common difference, number of terms, and general term for arithmetic sequences and arithmetic series
- Determine the first term, common ratio, number of terms, and general term for geometric sequences and geometric series
- Define the sum of number of terms of arithmetic or geometric series using sigma notation
- Apply a rule for determining the sum of a given number of terms of an arithmetic or geometric series
- Determine whether geometric series are convergent or divergent
- Generalize and apply a rule for determining the sum of an infinite geometric series
- Solve contextual problems that involve arithmetic or geometric sequences or series
Skill Descriptor: Factor polynomial expressions.
Global Competencies: CM, CTPS
Achievement Indicators:
- Identify when specialized factoring techniques can be used to solve problems involving polynomials
- Factor polynomials using sum and difference of cubes, factor by grouping (including to get a difference of squares), and factoring quartics as trinomials
- Divide a polynomial expression by a binomial expression of the form π₯ β π where π is an integer by using long division and synthetic division
- Explain and apply the remainder and factor theorems
Skill Descriptor: Graph and analyze polynomial functions.
Global Competencies: CM, CTPS
Achievement Indicators:
- Justify if functions are polynomial functions given their equations
- Explain the effect of the constant term on the graph of the function
- Explain the end behaviour of the graph based on the leading term of the function
- Explain the relationship between the factors, zeros, roots, and π₯ -intercepts of a function
- Explain how the multiplicity of a zero of a function affects the graph
- Sketch the graph of a polynomial function
- Model contextual situations to solve problems
- Determine a possible equation of a function from a given table or graph
Skill Descriptor: Graph and analyze reciprocal functions.
Global Competencies: CTPS
Achievement Indicators:
- Compare the characteristics of a function and its reciprocal including invariant points
- Identify the domains of reciprocal functions
- Graph the reciprocal given the graph of the function
Skill Descriptor: Graph and analyze rational functions.
Global Competencies: CM, CTPS
Achievement Indicators:
- Graph a rational function
- Determine if a non-permissible value results in a vertical asymptote or a removable discontinuity on the graph
- Explain the behaviour of the graph near non-permissible values (e.g., approaches positive or negative infinity; approaches a value)
- Match functions to their graphs
- Determine an approximate solution of a rational equation from a graph
- Describe the relationship between the roots of a rational equation and the π₯ -intercepts of the graph of the corresponding rational function
- Determine the equations of asymptotes
Skill Descriptor: Combine and compose functions
.
Global Competencies: CTPS
Achievement Indicators:
- Sketch the graph of a function that is the combination of two functions given their graphs
- Write the equation of a function that is the combination of two or more given functions
- Determine the domain and range of a function that is the combination of two functions
- Write a given function as the combination of two or more functions
- Determine the value of a composite function when evaluated at a point
- Determine the equation of a composite function given the equations of two functions
- Sketch the graph of a composite function given the equations of two functions
- Write a given function as a composition of two or more functions
- Write a function by combining and composing two or more functions
- Create compositions and inverses of all types of functions where appropriate
- Graph compositions of all types of functions
- Identify composition as an operation taking two functions as input and outputting the third function
- Apply definition of inverse functions as a property of operation of composition to verify two functions are inverses
Strand: Statistics and Probability
Big Idea: Combinatorics
Skill Descriptor: Analyze the fundamental counting principle.
Global Competencies: CM, CTPS
Achievement Indicators:
- Count the total number of possible choices that can be made using graphic organizers
- Explain the fundamental counting principle
- Apply the fundamental counting principle to solve problems
Skill Descriptor: Apply permutations to solve problems.
Global Competencies: CTPS
Achievement Indicators:
- Count the number of ways of ordering the elements of a finite set
- Determine the number of permutations for all elements of a finite set using factorial notation
- Determine the number of permutations of π different elements taken π at a time
- Solve an equation that involves permutation notation by finding the variable π or π
- Analyze the effect on the total number of permutations when two or more elements of the set are identical
Skill Descriptor: Apply combinations to solve problems.
Global Competencies: CM, CTPS
Achievement Indicators:
- Explain the difference between a permutation and a combination
- Determine the number of combinations of π different elements taken π at a time
- Explain why π must be greater than or equal to π in permutation and combination notation
- Explain why ππΆπ = ππΆπβπ
- Solve an equation that involves combination notation by finding the variable π or π
Skill Descriptor: Expand powers of a binomial.
Global Competencies: CM, CTPS
Achievement Indicators:
- Explain the patterns found in the expanded form of (π₯ + π¦)n, π β€ 4, by multiplying π factors of (π₯ + π¦)
- Explain how to determine any row in Pascalβs triangle given a previous row
- Relate the coefficients of the terms in the expansion of (π₯ + π¦)n to the (π + 1)th row in Pascalβs triangle
- Explain how the coefficients of the terms in the expansion of (π₯ + π¦)n are determined using combinations
- Expand (π₯ +π¦)n using the binomial theorem
- Determine a specific term in the expansion of (π₯ + π¦)n
Strand: Limits and Approximation
Big Idea: Limits
Skill Descriptor: Determine the limit of a function at a point.
Global Competencies: CTPS
Achievement Indicators:
- Demonstrate an understanding of limit notation
- Evaluate the limit of a function at a point graphically, analytically, and using tables of values
- Distinguish between the limit of a function as π₯ approaches π and the value of the function at π₯ = π
- Evaluate a limit by substitution using the properties of limits
- Demonstrate an understanding of undefined limits
- Solve limits when substituting yields an indeterminate form
Skill Descriptor: Analyze one-sided limits.
Global Competencies: CTPS
Achievement Indicators:
- Demonstrate an understanding of the correct notation for one-sided limits
- Analyze one-sided limits as π₯ approaches a certain value
- Evaluate one-sided limits of non-continuous functions
Skill Descriptor: Analyze the continuity of a function.
Global Competencies: CTPS
Achievement Indicators:
- Demonstrate an understanding of the definition of continuity
- Determine if a function is continuous at a given point
- Determine if a function is continuous on a given interval
- Apply the Intermediate Value Theorem to continuous intervals of a function
Skill Descriptor: Analyze limits which involve infinity.
Global Competencies: CTPS
Achievement Indicators:
- Demonstrate an understanding of the properties of limits involving infinity
- Determine the horizontal asymptotes of a function using limits
- Evaluate limits of rational functions involving infinity
- Explore trigonometric graphs to show limits at infinity as an oscillating function
Skill Descriptor: Determine upper and lower bounds of sequences.
Global Competencies: CTPS
Achievement Indicators:
- Determine the bounds of increasing sequences
- Compare bounds of increasing, decreasing, constant, and damped oscillation sequences
- Determine the bounds of slopes of tangent lines