what number is used to complete the square for the equation y^2 + 16 = -y?
a).-25
b).25
c)-64
d)64
a
4 answers
no i meant b
What does it take in the ___ space to make
y^2 + y + __ a perfect square?
Think of the general expression
ay^2 + by + c.
When a = 1, square half the "b" term to get the c that makes it a perfect square (y + b/2)^2 = y^2 + by + b^2/4
You need to learn to do this yourself.
y^2 + y + __ a perfect square?
Think of the general expression
ay^2 + by + c.
When a = 1, square half the "b" term to get the c that makes it a perfect square (y + b/2)^2 = y^2 + by + b^2/4
You need to learn to do this yourself.
Yes, 1/4 is the answer
thanks drwls