Graphing Quadratic Relations with a Table of Values
Graph the following quadratic relations using a table of values (Fab 5) and verify the relation is quadratic by finding the Second Differences.
1, x^2+5x+4
2. x^2−x−6
3. −x^2−4 x−4
4. x^2−5x+6
Graphing Quadratic Relations with a Table of Values
Graph the following quadratic relations using a table of values (Fab 5) and verify the relation is quadratic by finding the Second Differences.
1, x^2+5x+4
2. x^2−x−6
3. −x^2−4 x−4
4. x^2−5x+6
Related questions
1. Tell whether the function is quadratic. Explain.
| x | -4 | -2 | 0 | 2 | 4 |
| y | 21 | 1 | -3 | 9 | 37 |
a. No, the function is not quadratic. The second differences are not constant.
b. Yes, the function is quadratic. The second differences are constant.
2. Tell whether the function 
a. This is a quadratic function because it can be written in standard form as 
b. This is not a quadratic function because the 
c. This is not a quadratic function because it is not written in standard form.
d. This is a quadratic function because it has an 
3. Tell whether the graph of the quadratic function 
