2.4, 2.7 and 3.1-3.2 Test Review Game

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What is a system of equations?

Back

A set of two or more equations with the same variables that are solved together.

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What does it mean to solve a system of equations?

Back

Finding the values of the variables that satisfy all equations in the system simultaneously.

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What is the elimination method in solving systems of equations?

Back

A method that involves adding or subtracting equations to eliminate one variable, making it easier to solve for the other.

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What is the substitution method in solving systems of equations?

Back

A method where one equation is solved for one variable, and that expression is substituted into the other equation.

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What is the graphical method for solving systems of equations?

Back

A method that involves graphing each equation on the same set of axes and identifying the point(s) where they intersect.

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What is the line of best fit?

Back

A straight line that best represents the data on a scatter plot, used in linear regression.

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How do you find the slope of a line given two points?

Back

The slope (m) is calculated as m = (y2 - y1) / (x2 - x1).

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What is the y-intercept of a line?

Back

The y-coordinate of the point where the line crosses the y-axis.

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What is the standard form of a linear equation?

Back

Ax + By = C, where A, B, and C are integers, and A should be non-negative.

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What does it mean for two lines to be parallel?

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Two lines are parallel if they have the same slope and will never intersect.