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What is a system of equations?

Back

A system of equations is a set of two or more equations with the same variables. The solution is the point(s) where the equations intersect.

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What does it mean if two lines are parallel in a system of equations?

Back

If two lines are parallel, it means they have no solutions because they never intersect.

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What does it mean if two lines are the same in a system of equations?

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If two lines are the same, it means there are infinitely many solutions because every point on the line is a solution.

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What does it mean if two lines intersect at one point in a system of equations?

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If two lines intersect at one point, it means there is exactly one solution to the system of equations.

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How do you determine if a point is a solution to a system of equations?

Back

To determine if a point is a solution, substitute the x and y values into both equations. If both equations are true, the point is a solution.

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What is the graphical representation of a system of equations?

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The graphical representation is the intersection of the lines representing the equations on a coordinate plane.

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What is the substitution method in solving systems of equations?

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The substitution method involves solving one equation for one variable and substituting that expression into the other equation.

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What is the elimination method in solving systems of equations?

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

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

Back

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

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How do you find the solution of a system of equations graphically?

Back

To find the solution graphically, plot both equations on the same graph and identify the point where they intersect.