Warm-Up: Quadratic Functions (NOV 8 22)

What is the vertex of the function below?

f(x) = 3(x - 4)² + 7

• (12, 7)

• (-4, 7)

• (4, 7)

• (4, -7)

What is the vertex of the function below?

f(x) = -0.25(x + 12)² + 16

• (12, 16)

• (-3, -16)

• (-12, -16)

• (-12, 16)

What is the axis of symmetry of the function below?

f(x) = 0.5(x - 8)² + 15

• x = 8

• x = 4

• y = 15

• y = -15

A quadratic function has a vertex of (4, -2)

and passes through (7, 8).

Using your understanding of the axis of symmetry,

what other point must the graph pass through?

• (10, 18)

• (1, -12)

• (10, -2)

• (1, 8)

A quadratic function has a vertex of (13, 50)

and passes through (11, 30).

Using your understanding of the axis of symmetry,

what other point must the graph pass through?

• (15, 30)

• (15, 70)

• (9, 10)

• (9, 50)

Is the vertex of the function below

a MAXIMUM or MINIMUM value?

f(x) = -0.4(x + 3)² - 2

• MAXIMUM

• MINIMUM

Is the vertex of the function below

a MAXIMUM or MINIMUM value?

f(x) = 2x² + 5

• MAXIMUM

• MINIMUM