(A)Find the vertex of a quadratic function in standard form.

What is the axis of symmetry?
f(x) = x² - 8x + 15.

• x = -4
• x = 4
• y = 4
• y = -4

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Identify the vertex of the following parabola.

y = x² − 4x + 1

• (2,-3)

• (1/3, 4)

• (-2, 3)

• (-2,13)

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.B.3

Identify the axis of symmetry of the given parabola.

y = x² − 4x + 1

• x = 3

• x = -3

• x = -2

• x = 2

What is the vertex of y=x²+4x+3?

Hint: Use x=-b/2a

• (2,1)

• (-2,1)

• (0,0)

• (-2,-1)

Tags

CCSS.HSA.REI.B.4

A parabola reflects over? 

• the y-intercept
• the axis of symmetry 
• the maximum
• the minimum

Tags

CCSS.HSF-IF.C.7A

A maximum is the _____________ point of the function. 

• highest
• lowest

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSA.REI.D.10

A minimum is the ______________ point of the function. 

• highest
• lowest 

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSA.REI.D.10

Find the vertex of

f(x) = -x² - 4x + 12.

Hint: Use x=-b/2a

• (-2, 16)

• (2, 0)

• (2, 4)

• (-2, 4)

Tags

CCSS.HSA.REI.B.4

What is the name of this form:
y = ax² + bx + c

• vertex form
• standard form
• factored form
• zero form

Tags

CCSS.HSA.SSE.B.3

What is the equation for axis of symmetry?

• y = 3

• x = 3

• x = 5

• x = 1

Tags

CCSS.HSF-IF.C.7A