2/28_SL_Extended LSAE

1.What is the vertex of the function?

• (0, 6)

• (–1, 2)

• (–2, 0)

• (–4, –2)

2.Jessica graphed a quadratic function. Which values best represent the zeros of the function? Select TWO correct answers

• A. x = –2

• B. x = 1

• C. x = –6

• D. x = 2

• E. x = –3

Part A

4.Identify the vertex and one other point on the parabola.

• Vertex: (1,-5)

  Point: (-1,-3)

• Vertex: (1,-5)

  Point: (0,-4)

• Vertex: (1,5)

  Point: (3,-3)

• Vertex: (1,5)

  Point: (0,-4)

Part B

4.Substitute the vertex and point to determine the a value.

• a = 2

• a = -2

Part C

4.What is the equation of the function in vertex form?

Part A

6. Angel graphed a quadratic function with the solutions x = –8 and x = 10. Part A: Write the intercept form of Angel’s function.

Type response in factor form:

y = a(x-r₁)(x-r₂)

Mathematical Equivalence

ON

Part B

6. Angel graphed a quadratic function with the solutions x = –8 and x = 10. Part B: Multiply to write the standard form of Angel’s function.

Type answer in the form:

y = ax²+bx+c

Mathematical Equivalence

OFF

Part A

7.What is the value of a for the function?

• -1/2

• 2

• -2

• -1

7. Patrick graphed a quadratic function on the coordinate plane shown below.

Part B: What are the equations of Patrick’s function?

Intercept Form: ____________________

Type in the form: y = a(x-r₁)(x-r₂)

Mathematical Equivalence

ON