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Grade 7 Math - Modeling Using Equations or Inequalities
By Lumos Learning
Using the Lumos Study Programs, parents and educators can reinforce the classroom learning experience for children and help them succeed at school and on the standardized tests. Lumos books, dvd, eLearning and tutoring are used by leading schools, libraries and thousands of parents to supplement classroom learning and improve student achievement in the standardized tests.
Reasoning with Equations and Inequalities
By Khan Academy
Sal solves the equation 4x^2+40x-300=0 by completing the square.265