What is the dependent variable in a simulation modeling the spread of a disease?

By the end of eighth grade students have learned to solve linear equations in one variable and have applied graphical methods to analyze and solve systems of ... Calculate it! Solve; Solve for Variable; Practice Mode; Simplify; Factor; Step-By ... Read the full tutorial to learn how to graph equations and check your ... Courses. Multivariable Differential Calculus (XM521). Differential calculus for functions of two or more variables. Topics: vectors and vector- ... Apply and extend previous understandings of arithmetic to algebraic expressions. ... numbers as they formulate expressions and equations in one variable and use ... What is a Variable in Algebra? A variable is a placeholder for an unknown quantity. In math, variables are used to find general equations and then later ... When we solved a system by substitution, we started with two equations and two variables and reduced it to one equation with one variable. This is what we'll do ... linear inequality. o Identify the variable and quantities in real-world contexts. o Use context to choose the applicable algebraic model (linear equation, ... Usiskin, Zalman. “Conceptions of School Algebra and Uses of Variables.” In Algebraic Thinking, Grades K–12: Readings from NCTM's School-Based Journals and Other ... 3 Solve linear equations and inequalities in one variable, including equations with coefficients represented by letters. Note: Algebra I tasks do not involve ... About this unit. A variable is a symbol that represents a value, often one that changes, like how long you've been awake. Learn ways that we can change an ...