Quadratic Functions

The axis of symmetry of the parabola y = ax^2 + bx + c is given by:

• a. x = -b/2a

• b. x = b/2a

• c. x = -a/2b

• d. x = a/2b

What is a quadratic function?

• A linear function

• A function of degree 2

• A function of degree 3

• A constant function

How can you determine the vertex of a parabola?

• By finding the x-intercept

• By finding the y-intercept

• By using the formula x = -b/(2a)

• By completing the square in the standard form

Which answer choice describes  y = -3x² +7x - 2 accurately?

• opens up with a maximum

• opens up with a minimum

• opens down with a maximum

• opens down with a minimum 

Tags

CCSS.HSF-IF.C.7A

Which of the following represents a quadratic function?

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

• 1

• 3

• 2

• 5

• 4

• 1

• 3

• 2

• 5