Linear Equations

Which equation represents the following graph?

• y = 3x + 2

• y = -2x + 3

• y = 2x + 3

• y = -3x + 2

What is the solution to the systems of equations shown in the graph?

• 1 Solution x=-1/2

• 1 Solution y=-1/2

• Many Solutions

• No Solution

Match the following

• y=mx+b

• The coordinate where the function crosses the x-axis. At this point, y=0.

• x-intercept

• The coordinate where the function crosses the y-axis. At this point, x=0.

• SLOPE

• Standard Form

• Ax+By=C

• Measure of how STEEP a line is, can be found using rise/run

• y-intercept

• Slope-intercept form

Solve -4 = 5x + 6

Mathematical Equivalence

ON

The shaded region represents the solution sets of the linear inequality.

• True

• False

• Maybe

• Sometimes

Which of the following inequalities matches the given graph?

• x ≥ -1

• x ≤ -1

• x > -1

• x < -1

Which are vertices of the feasible region?

• (0, 3) (3, 0) (5, 8)

• (0, 6) (3, 5) (6, 5)

• (3, 3) (8, 5) (5, 8)

• (0, 5) (6, 0) (3, 3)

Which system of inequality is shown?

• y ≥ -x - 1
  y < x + 4

• y < -x - 1
   y ≥ x + 4

• y > -x - 1
  y ≥ x + 4

• y > x - 1
  y ≥ x + 4

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