Foundations in Algebra

Does the equation open or or down? 
Y = -3x² +7x - 2

• up

• down

What's the axis of symmetry of y=3x²-6x+4

• x=1

• x=-6

• x=2

• x=-1

What are the x- intercepts?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2

What are the coordinates of the y-intercept?

• (-3, 0)

• (0, -3)

• (2, 1)

• y=-3

What is the domain and the range for the graph?

• Domain : -2 ≤ x ≤ 2
  Range : 0 ≤ y ≤ 4

• Domain : 0 ≤ x ≤ 4
  Range : -2 ≤ y ≤ 2

• Domain : All real #s
  Range : y ≤ 4

• Domain : -2 ≤ x ≤ 2
  Range : y ≤ 4

Determine the domain and range of the function

• Domain: All real numbers

  Range: All real numbers

• Domain: x ≥ -4

  Range: All real numbers

• Domain: All real numbers

  Range: y ≥ -4

• Domain: -1 ≤ x ≤ 5

  Range: y ≥ -4

A system has ____________ when two equations have same slope but different y-intercept and are parallel. 

• One solution

• No solution

• Infinitely Many Solution

What is the first step to solve this equation:
11 - 3x = 44

• Add 3 to both sides

• Subtract 11 from both sides

• Add 11 to both sides

• Divide 3 on both sides.

What type of slope does the graph have?

• Zero

• Undefined

• Negative

• Positive

Find the slope

• -5/3

• -3/5

• 5/3

• 3/5