Solve the System of Equations by the Elimination Method

question 101

Multiple Choice

Solve the system of equations by the elimination method.
-2.5x + 0.2y = 10.6
0.5x - 0.4y = 0.8

• A)(4.5, 3)
• B)(6.5, 3.2)
• C)(4, 3)
• D)(1.5, 3.2)

Learn how to calculate the sum of squares for error in regression analysis.

Identify the different names and interpretations of the residual term in a regression equation.

Understand the interpretation of slope and y-intercept in the context of regression lines.

Distinguish between direct and inverse relationships in regression models.

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