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None, one or an infinite number.

In graph form, the three correspond to:

None = Parallel lines

One = Interscting lines

Infinite = Coincident lines.

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More answers

one, zero, infinitely many.

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12y ago
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Q: A system of linear equation in two variables can have how many solutions?
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What must be true about the lines of a system of equation that has not one solution but infinitely many solutions?

There must be fewer independent equation than there are variables. An equation in not independent if it is a linear combination of the others.


A system of linear equations with an infinite number of solutions?

This can happen in different ways: a) More variables than equations. For instance, a single equation with two variables (such as x + y = 15), two equations with three variables, two equations with four variables, etc. b) To of the equations describe the same line, plane, or hyper-plane - this, in turn, will result in that you "really" have less equations than it seems. For example: y = 2x + 3 2y = 4x + 6 The second equation is simply the first equation multiplied by 2.


What does it mean if there are an infinite number of solutions to a system of linear equations?

Any two numbers that make one of the equations true will make the other equation true.


How many solutions does the system of linear equations shown have?

As there is no system of equations shown, there are zero solutions.


What are the possible solutions for a system of equations?

The system of equations can have zero solutions, one solution, two solutions, any finite number of solutions, or an infinite number of solutions. If it is a system of LINEAR equations, then the only possibilities are zero solutions, one solution, and an infinite number of solutions. With linear equations, think of each equation describing a straight line. The solution to the system of equations will be where these lines intersect (a point). If they do not intersect at all (or maybe two of the lines intersect, and the third one doesn't) then there is no solution. If the equations describe the same line, then there will be infinite solutions (every point on the line satisfies both equations). If the system of equations came from a real world problem (like solving for currents or voltages in different parts of a circuit) then there should be a solution, if the equations were chosen properly.