Graphing Inequalities and Solving Systems of Inequalities

Which linear inequality matches the graph?

• y ≤ -2x - 1

• y ≥ -2x - 1

• y ≤ 2x - 1

• y ≥ 2x - 1

When graphing an inequality, which symbols tell you to use a dashed line?

• <, >

• ≤, ≥

Solve the linear inequality.

• x < 0

• x > 0

• x < 3

• x > 3

Which system of inequality is shown?

• y > -1/5x - 1/2

  y ≥ -2x - 4

• y > -1/5x - 1/2

  y ≤ -2x - 4

• y ≥ -1/5x - 1/2

  y ≤ -2x - 4

• y < -1/5x - 1/2

  y ≥ -2x - 4

Identify the two inequalities that represents the graph.

• y > ½x - 3

• y ≤ -4x + 2

• y < ½x - 3

• y ≥ -4x + 2

Identify the graph represented by the following system of inequalities.

2x - y > 4

4x + 2y < 6

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• 
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Identify two solutions for the inequalities systems

• (2, 3)

• (4, -2)

• (2, -4)

• (-2, 0)

If I have a system of parallel inequalities the answer is always no solution?

• True, the shaded regions will not overlap

• False, the shaded regions could overlap

An inequality using a > or a < has a ___________ line

• invisible

• solid

• dashed

The graph of 
y ≥  x - 3 
is shaded ???

• Over / Above

• Under / Below