Algebra Sol Equations and Inequalities

• (-3, 2)

• (-6, 5)

• (-9, 6)

• (0, 7)

• (-3, -7)

• (6, -3)

• (8, 1)

• (7, -4)

Which scenario fits this graph best? (Enlarge the graph by clicking on it.)

• You have $20 to spend. Hotdogs cost $2 and Hamburgers cost $5. How many hotdogs and hamburgers can you buy?

• You have $30 to spend. Hotdogs cost $3 and Hamburgers cost $6. How many hotdogs and hamburgers can you buy?

• You have $20 to spend. Hotdogs cost $4 and Hamburgers cost $10. How many hotdogs and hamburgers can you buy?

• You have $30 to spend. Hotdogs cost $5 and Hamburgers cost $6. How many hotdogs and hamburgers can you buy?

Select the graph that best represents this inequality. (Click on the graphs to enlarge them.)

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Give the solution to the system. (Clickon the graph to enlarge it.)

• (3,1)

• (1,3)

• (-1,3)

• No solution

A linear system has no solution when the graphs of the equations are parallel.

• TRUE

• FALSE

This system has an infinite number of solutions, TRUE or FALSE?

• TRUE

• FALSE

A linear system has one solution when the graphs of the equations ____________________________________.

• The lines intersect.

• Lines have different slopes and y-intercepts.

• Both A and B

• None of the above

Which system of linear inequalities is represented by the graph? (Click on the graph to enlarge it.)

• y≤2x-1
  y>-2x+3

• y>2x-1
  y≤-2x+3

• y<2x-1
  y≥-2x+3

• y≤2x-1
  y>2x+3

Solve the system of inequalities by graphing. (Click the graphs to enlarge them.)

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