Quadratic Functions

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.HSA.REI.B.4

CCSS.HSF.IF.B.4

CCSS.HSA.REI.D.10

CCSS.HSF.IF.C.7

Find the y-intercept of f(x) = 2x²-2x + 1

• 2
• -2
• 1
• -1

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Is this a max or min?

• max
• min
• cannot be determined

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.10

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

What is the axis of symmetry?

• the slope of the graph
• the dividing line for a parabola
• a way to spin my pencil
• the x-axis

Tags

CCSS.HSF.IF.B.4

What is the y intercept for the equation:
y = -8x² + 3x - 7

• (0, -8)
• (0, 3)
• (-8, -7)
• (0, -7)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Given the equation above, find h(-3).

• -13
• 5
• -23
• 23

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

f(x)=7 means to plug 7 in for the ____ value.

• x
• y

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

If f(x)=6x²-4,
what is f(-1)?

• -2
• 13
• 2
• 0

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

What do we call the graph of a quadratic function?

• parabola
• linear
• cubic
• sinusoidal

Tags

CCSS.HSF.IF.B.4

CCSS.HSA.REI.D.10

CCSS.HSF.IF.C.7

What is the vertex of this parabola?

• (−1, 3)
• (−3, 11)
• (−2, 5)
• (0, 5)

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.4