Algebra I CBA

Which system of inequalities 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 + 3

Solve the system of inequalities by graphing.

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Solve by factoring: 2x² - 5x - 12 = 0

• x = -4 and x = -6

• x = 4 and x = -3/2

• x = 4 and x = 6

• x = -4 and x = 3/2

Write equation of the line containing (6,3) and (4,1)

• y = -1x + 5

• y = 1x - 3

• y = 1x + 5

• y = -1x + 3

How many zeros does this parabola have? 

• 3

• 2

• 0

• 1

What are the roots of the function? 

• {x|x = 4, -1}

• (-4, 1)

• {x|x = -4, 1}

• (4, 0) (-1, 0)

• -2, 4
• -8
• ±8
• No real solution

Write the equation of a line PERPENDICULAR to y = -2x + 1 that passes through the point (2, 3).

Simplify. 

• (m+6)/(m-3)

• 7/(m-3)

• 7(m+6)

• (m-3)

Simplify. 

• (x+6)/(x+4)

• (x+6)(x+4)

• (x+6)

• (x+6)/(x-5)