Standard #: MA.912.A.10.3 (Archived Standard)


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Decide whether a given statement is always, sometimes, or never true (statements involving linear or quadratic expressions, equations, or inequalities, rational or radical expressions, or logarithmic or exponential functions).


Remarks


Example 1: Alex says x= -1 is the solution to the following system of inequalities. Explain to Alex when x=-1 is a solution and when it is not a solution.
y≥-1/2x-3
y<3x+1

Example 2: Is the statement true for all x, for some x, or for no x?

Example 3: Let c be any constant number different than 5. Which of the following lines will always be parallel to y=2x+5? Explain your answer.
a. y= -2x + c
b. y= ½ x + c
c. y= 2x + c
d. y= -½ x + c



General Information

Subject Area: X-Mathematics (former standards - 2008)
Grade: 912
Body of Knowledge: Algebra
Standard: Mathematical Reasoning and Problem Solving - In a general sense, all of mathematics is problem solving. In all of mathematics, use problem-solving skills, choose how to approach a problem, explain the reasoning, and check the results.
Date Adopted or Revised: 09/07
Content Complexity Rating: Level 3: Strategic Thinking & Complex Reasoning - More Information
Date of Last Rating: 06/07
Status: State Board Approved - Archived
Printed On:5/6/2024 11:31:21 AM
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