Attributes of the quadratic Function i

What is the equation for the axis of symmetry for the quadratic function shown?

(y = a(x – h)² + k, find h and use the opposite sign.)

• y = -3

• x = -3

• x = 5

What are the roots of the quadratic function shown here? (roots, x-intercepts, solutions, zeros)

• {0, 3}

• {3}

• {0, -3}

What is the range of the function shown? (Focus from down to up)

• y < -1

• y > -1

• y ≥ -1

What is the y-intercept of the quadratic function? (focus from down to up)

• 2

• 4

• -2

What is the domain of the function given? (create a table, or draw a graph, focus on the x-values of the table, or the line of the graph from left to right)

• f(x) ≤ 0

• All real numbers

• 0 ≤ x ≤ 3

Determine if the function graphed has a maximum or a minimum value and identify that value. (what is the highest or lowest point of the line?)

• maximum at -1

• minimum at -1

• maximum at 4

What are the x- intercepts? (roots, x-intercepts, solutions, zeros)

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

What is the vertex of f(x) = 2(x - 5)² + 12?

(y = a(x – h)² + k, find h then use the opposite sign, next find k.)

• (-5, -12)

• (5,-12)

• (5, 12)

What's the domain and range?

• D: All Real Numbers

  R: (-∞,6]

• D: (-∞,6)

  R: All Real Numbers

• D: All Real Numbers

  R: [6,∞)

What is the max of the function? (using the graph, focus on the highest point of the y-value the line reaches)

• x=1

• x=2

• y=1