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Algebra Standard for Grades 912
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Expectations |
| Instructional
programs from prekindergarten through grade 12 should enable
all students to |
In grades 912 all students should |
| Understand
patterns, relations, and functions |
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generalize
patterns using explicitly defined and recursively defined
functions; |
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understand relations and functions and select, convert
flexibly among, and use various representations for them;
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analyze functions of one variable by investigating rates
of change, intercepts, zeros, asymptotes, and local and
global behavior; |
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understand and perform transformations such as arithmetically
combining, composing, and inverting commonly used functions,
using technology to perform such operations on more-complicated
symbolic expressions; |
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understand and compare the properties of classes of functions,
including exponential, polynomial, rational, logarithmic,
and periodic functions; |
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interpret representations of functions of two variables
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| Represent
and analyze mathematical situations and structures using
algebraic symbols |
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understand the meaning of equivalent forms of expressions,
equations, inequalities, and relations; |
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write equivalent forms of equations, inequalities, and
systems of equations and solve them with fluencymentally
or with paper and pencil in simple cases and using technology
in all cases; |
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use
symbolic algebra to represent and explain mathematical
relationships; |
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use a variety of symbolic representations, including recursive
and parametric equations, for functions and relations;
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judge the meaning, utility, and reasonableness of the
results of symbol manipulations, including those carried
out by technology. |
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| Use
mathematical models to represent and understand quantitative
relationships |
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identify essential quantitative relationships in a situation
and determine the class or classes of functions that might
model the relationships; |
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use symbolic expressions, including iterative and recursive
forms, to represent relationships arising from various
contexts; |
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draw reasonable conclusions about a situation being modeled.
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| Analyze
change in various contexts |
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approximate and interpret rates of change from graphical
and numerical data. |
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