Identifying Second Difference Quadratics

Does this table represent a linear or a quadratic function?

• Linear because it has a second difference of 2.

• Quadratic because it has a second difference of 2.

• Linear because it has a first difference of -5.

• Quadratic because it has a first difference of -5.

• I don't know

Which differences identify a quadratic function?

• First Differences

• Second Differences

• Third Differences

• Fourth Differences

Find the vertex of f(x) = 2x² +4x + 12.

• (1, 10)

• (-1, 6)

• (1, 18)

• (-1, 10)

• I don't know

What is the equation of this graph?

• y = - x²

• y = - x² - 3

• y = - x² + 3

• y = x² + 3

• I don't know

Tags

CCSS.HSF-IF.C.7A

Determine whether the table is linear or quadratic by determining the first and second differences.

• QUADRATIC

• LINEAR

Is this a quadratic function?

• Yes

• No

Tags

CCSS.HSF-IF.C.7A

What kind of function is this?

• Linear

• Absolute Value

• Quadratic

• Piecewise

Which function is quadratic?

• f(x)

• h(x)

• g(x)

Is this a quadratic function?

• Yes

• No

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Which is a Quadratic Function?

• f(x)=x²+2x+1

• f(x)=4x²-12x+9

• f(x)=8x^-2+6x-2

• f(x)=3x+2