Algebra A

Solve:
12x - 4y = 20  ,  for   y 

• y = 3x - 5

• y = -3x + 5

• y = -3x - 5

• y = 3x + 5

Solve for y:
5x + y = -10

• y = 5x + 10

• y = -5x - 10

• y = 2

• y = -5

Solve for y: 
3x + y = 12

• y = -3x +12

• x = y + 4

• x = y + 12

• y = 3x -12

Solve for y:
y + 2 = 3x

• y = 2x + 3

• y= 3x +2

• y= 3x -2

• y= 6x

What are the coordinates of the vertex, and is it a maximum or minimum?

• (-1, 4); Maximum

• (-1, 4); Minimum

• (4, -1); Maximum

• (4, -1); Minimum

What do we call the highest or lowest point of a quadratic?

• parabola

• vertex

• graph

• point

What is the domain and the range for the graph?

• Domain : -2 ≤ x ≤ 2

  Range : 0 ≤ y ≤ 4

• Domain : All real #s

  Range : -2 ≤ y ≤ 2

• Domain : All real #s

  Range : y ≤ 4

• Domain : -2 ≤ x ≤ 2

  Range : y ≤ 4

What is the domain of the parabola created by the ball?

• Domain : 0 ≤ d ≤ 280

• Domain : 0 ≤ h ≤ 150

• Domain : 0 ≤ d ≤ 570

• Domain : 0 ≤ h ≤ 280

Which graph best represents a function with a range of all real numbers greater than or equal to -6?

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What is the Range?

• -3 ≤ y < 2

• -3 < y ≤ 2

• -7 ≤ y ≤ 2

• -7 ≤ y < 2