How many solutions does a system have (from a graph)

Which system of equations has no solution?

• y = 2x + 7

  y = 2n - 10

• y = 3x + 2

  y = 5x + 2

• y = x - 2

  y = - x + 4

• y = 7x + 2

  y = 2x + 7

What is the solution of a system of equations?

• a random number on the graph

• a random point on the graph

• The point (or set of points) where the lines intersect.

• The point (or points) that make one equation true.

The word that means the equations in a system will never intersect is....

• consistent

• constant

• inconsistent

• infinite

If two lines DO intersect, which word means they only intersect once?

• Independent

• dependent

• consistant

• inconsistant

Which graph below has one solution?

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Which system of equation graphs below has no solution?

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Which system of equation of graphs has infinitely many solutions?

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