Answer:
Step-by-step explanation:
You have to find the GCF aka greatest common factor, then subtract those fractions. And if able to , simplify ur answer. but sometimes it might not be there
Answer:
Step-by-step explanation:
Given
Putting x = -3 to find f(-3)
as
∵
so
∵
Thus,
Answer:
D
Step-by-step explanation:
Answer:
(2, -5)
Step-by-step explanation:
Convert to vertex form:
3x^2 - 12x + 7
= 3(x^2 - 4x) + 7
Completing the square:
= 3[ (x - 2)^2 - 4)] + 7
= 3(x - 2)^2 - 12 + 7
= 3(x - 2)^2 - 5.
Comparing with the general form
a(x - b)^2 + c we see that the vertex is (b, c) = (2, -5).