Recognizing Quadratic Relations

Which graph represents a quadratic relation?

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Which of the following equations represents a quadratic relation?

• $y=3x+1$

• $2x+y\ =3$

• $y=2x^3$

• $y=2x^2+1$

Which of the following equations represents a quadratic relation?

• $x=y^2$

• $y=-0.5x$

• $y=2\left(x+1\right)^2$

• $x^2+y^2=9$

Which finite difference is constant for a quadratic equation?

• First
• Second
• Third
• No Pattern

Tags

CCSS.HSA.REI.B.4

What type of function does this table represent?

• Linear
• Quadratic
• Cubic
• Exponential

What type of function is represented by the following table?

• Exponential
• Quadratic
• Cubic
• Linear

What is the first finite difference in the table shown?

• 0.5

• 0

• -1.25

• 0.25

Which finite difference is constant for a linear relation?

• The second finite difference

• None of the finite differences

• The first finite difference

• The third finite difference

If you use a difference table and find that the first differences are not constant and the second differences are not constant, this must mean......

• That this is a linear relation

• That this is a quadratic relation

• That this is neither a linear or a quadratic relation

• That you have made a mistake