We know that
<span>the vertex form of the equation is
y=a(x-h)</span>²+k
we have
y = 7x² + 14x +4
y=7(x² + 2x) +4
y=7(x² + 2x+1-1) +4
y=7(x² + 2x+1) +4-7
y=7(x+1)²-3
the answer is
y=7(x+1)²-3
Y=16/13x-7/13
Here is your answer
Answer:

Step-by-step explanation:

Expand brackets.


Apply radical rule : 


Answer:
m=7
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given

Required
Evaluate
is equivalent to :




Hence:
