3/30/23 Linear vs. Exponential

Select the function that represents a quadratic relation.

• y = x

• y = 2^x

• y = x²

• y = x³

Select the graph that represents a quadratic relation.

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Which of the following is true about quadratic functions?

• A quadratic function could be y=3x²

• The second differences of the y-values are constant.

• The graph of a quadratic is parabolic.

• All of the above

Which of the following is true about linear functions?

• The slope of a linear equation is constant

• The first differences of the y-values of linear equation are constant.

• The graphs of linear equations are straight lines.

• All of the above

What type of function can be used to model the data given in the table?

• Linear

• Quadratic

• Exponential

• None of the above

When the 1st differences are constant, the given values have a ________________ relationship.

• linear

• quadratic

• exponential

• linaer

When the 2nd differences are constant, the relationship is _________________.

• linear

• quadratic

• exponential

• linaer

This graph depicts a ________________ relationship.

• linear

• quadratic

• exponential

• quartic

This graph depicts a ________________ relationship.

• linear

• quadratic

• exponential

• quartic

What are the constant 1st differences, and the relationship of these ordered pairs?

• +8, so it is linear

• -8, so it is linear

• +2, so it is linear

• +8, so it is quadratic