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Mathematics - Secondary Curriculum
Secondary Mathematics I [2011]
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Lesson Plans  
 
Represent and solve equations and inequalities graphically.
For A.REI.10 focus on linear and exponential equations and be able to adapt and apply that learning to other types of equations in future courses. For A.REI.11, focus on cases where f(x) and g(x) are linear or exponential.
A.REI.11
Explain why the x-coordinates of the points where the graphs of the equations y = f(x) and y = g(x) intersect are the solutions of the equation f(x) = g(x); find the solutions approximately, e.g., using technology to graph the functions, make tables of values, or find successive approximations. Include cases where f(x) and/or g(x) are linear, polynomial, rational, absolute value, exponential, and logarithmic functions.*
 
USOE-Approved Lesson Plans   USOE-Approved Lesson Plans
  • Carshop!
    Students go car shopping online, investigate the relationship between variables such as interest rate and monthly payment, develop two payment plans using online loan calculators, write a slope-intercept equation for each plan, and create a graph and table for the equations using a graphing calculator.
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