SOLUTION: 18. Graph the quadratic equation after completing the given table of values. y = –x^2 – 2x x y –3 –2 –1 0 1

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: 18. Graph the quadratic equation after completing the given table of values. y = –x^2 – 2x x y –3 –2 –1 0 1       Log On


   

Question 103594: 18. Graph the quadratic equation after completing the given table of values. y = –x^2 – 2x
x y
–3
–2
–1
0
1


Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
y = –x^2 – 2x
I'll do the 1st one and you can do the rest.
y=(-3)^2-2*-3
y=9+6=15
You shold have no trouble. Just replace x with the number in the table, sign included. Be sure to put the negative numbers in parentheses before you square them.
Ed