Chapter9: Sequences, Probability And Counting Theory
Section9.4: Series And Their Notations
Problem 50SE: The sum of terms 50k2 from k=x through 7 is 115. What is x?
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Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
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Solve the given linear equation.
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