Lesson 6.5_Graph Quadratic Function using Zeros

Using the graph of the quadratic function, identify the y-intercept.

• (4, -6)

• (0, 2)

• (.5, 0)

• (7.5, 0)

What is the vertex of the graph?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

Which graph appears to have exactly one x-intercept and one y-intercept?

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Identify all x−intercepts of the relation shown.

• (3, 0)

• (0, -1)

• (-1, 0)

• (-3, 0)

• (0, -3)

How many zeros does this parabola have?

• 3

• 2

• 0

• 1

The graph of y = –x² + 4x – 3 is shown. Identify each solution to –x² + 4x – 3 = 0.

• x = -3

• x = 1

• x = 3

• x = -1

• x = 0

Identify all zeros of the function graphed.

• 0

• -1

• 1.5

• -3

• 3

Which equation could represent a graph with x–intercepts of (5, 0) and (–2, 0)?

• y = x(5x - 2)

• y = x(2x - 5)

• y = (x - 2)(x + 5)

• y = (x + 2)(x - 5)

Identify all x–intercepts of the function below.

f(x) = (x - 4)(x + 8)

• (4, 0)

• (-4, 0)

• (8, 0)

• (-8, 0)

• (2, 0)

If the zeros of a quadratic equation are −2 and 3, the equation can be written as

• (x − 2)(x + 3) = y

• (x + 2)(x − 3) = y

• (x + 2)(x + 3) = y

• (x − 2)(x − 3) = y