Answer:
x-intercept: (-1,0)
y-intercept: (0,3)
Vertex: (-2,-1)
Step-by-step explanation:
Answer:
um 2x=45 because it is alternate interior
Step-by-step explanation:
2x=45
divide both by 2
x=22.5
Answer:
cos 67 and sin 23........
Answer:
2(x + 1)(2x + 1)
Step-by-step explanation:

Factor the trinomial in parentheses.
Since a - b + c = 0, use shortcut. One real root is -1 and the factor is (x + 1). The other root is: 
and the factor is 
Factor form of y:
y = 2(x + 1)(2x + 1)