Flashcards on Linear Equations

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What is a linear equation?

An equation that describes a straight line when graphed.

What is the standard form of a linear equation?

Ax + By = C, where A, B, and C are constants.

What is the slope-intercept form of a linear equation?

y = mx + b, where m is the slope and b is the y-intercept.

What is the point-slope form of a linear equation?

y - y1 = m(x - x1), where (x1, y1) is a point on the line and m is the slope.

What is the slope of a horizontal line?

The slope of a horizontal line is 0.

What is the slope of a vertical line?

The slope of a vertical line is undefined.

How can you determine if two linear equations are parallel?

Two linear equations are parallel if their slopes are equal.

How can you determine if two linear equations are perpendicular?

Two linear equations are perpendicular if the product of their slopes is -1.

What is the solution of a linear equation?

The point where the line intersects the x-axis or y-axis.

What is the method for solving a system of linear equations?

Substitution, elimination, or graphing.

What is the solution of a system of linear equations?

The point where the lines representing the equations intersect.

What is the formula for finding the x-intercept of a linear equation?

Set y = 0 and solve for x.

What is the formula for finding the y-intercept of a linear equation?

Set x = 0 and solve for y.

What is the point of intersection?

The point where two lines intersect.

What is the graph of a linear equation?

A straight line.

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Test Your Knowledge


What is the slope of a horizontal line?



What is the standard form of a linear equation?



When are two linear equations parallel?



What is the slope-intercept form of a linear equation?



What is the method for solving a system of linear equations?



When are two linear equations perpendicular?



What is the formula for finding the solution of a system of linear equations?



What is the solution of y = 2x + 3?



What is the slope of a vertical line?



What is the point-slope form of a linear equation?




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