Quadratic Functions Quiz 1

What is the general form of a quadratic function?

• y = ax^2 + bx + c

• y = ax^2 + bx + c + d + e

• y = ax^2 + bx + c + d

• y = ax^2 + bx

How many solutions can a quadratic function have?

• 2

• 3

• 1

• 0

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

• x = -b/2a

• x = b/2a

• x = a/2b

• x = -a/2b

What is the formula to find the vertex of a quadratic function?

• x = b / (2a)

• x = -b / a

• x = -2b / a

• x = -b / (2a)

What does the leading coefficient of a quadratic function determine?

• Direction of the parabola

• Vertex of the parabola

• X-intercepts of the parabola

• Y-intercept of the parabola

Tags

CCSS.HSF-IF.C.7A

How can you determine if a quadratic function opens upward or downward?

• Look at the exponent of the quadratic term (x^2)

• Look at the coefficient of the linear term (x^1)

• Look at the constant term (x^0)

• Look at the coefficient of the quadratic term (x^2)

Tags

CCSS.HSF-IF.C.7A

What is the vertex form of a quadratic function?

• y = a(x-h)^2 + k

• y = a(x-h)^2 - k

• y = a(x+h)^2 - k

• y = a(x+h)^2 + k

How can you find the x-intercepts of a quadratic function?

• Set the function equal to one and solve for x.

• Set x equal to zero and solve for y.

• Find the y-intercepts of the function.

• Set the function equal to zero and solve for x.

Tags

CCSS.HSF-IF.C.7A

How can you determine the direction of the parabola of a quadratic function?

• By looking at the coefficient of the quadratic term (x^2)

• By looking at the y-intercept

• By looking at the coefficient of the linear term (x)

• By looking at the constant term

Tags

CCSS.HSF-IF.C.7A