Understanding Quadratic Relations through Differences

Understanding Quadratic Relations through Differences

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Practice Problem

Hard

Created by

Nancy Jackson

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What must be true about the X values in a table before checking for quadratic relations?

They must be prime numbers.

They must all be negative.

They must all be positive.

They must increase or decrease by the same amount.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate the first difference between two Y values?

Add the first Y value to the second Y value.

Divide the first Y value by the second Y value.

Subtract the first Y value from the second Y value.

Multiply the two Y values.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What conclusion can be drawn if the first differences are not equal?

The relation is quadratic.

The relation is linear.

The relation is exponential.

The relation is nonlinear.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What indicates that a relation is quadratic when examining second differences?

The second differences are all positive.

The second differences are all negative.

The second differences are all equal.

The second differences are all zero.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the second differences are not equal, what should be the next step?

Recalculate the first differences.

Ignore the table of values.

Conclude the relation is quadratic.

Check for third differences.

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