General vertex form:

Given :

Extract "spread factor" m

Complete the square


Write as a squared binomial and simplify the constant

Re-write to match signs of standard general form:

Answer:
It goes into 20 because 4 is a factor of 20 on the multiplication chart
Step-by-step explanation:
4*1=4
4*2=8
4*3=12
4*4=16
4*5=20
4+4+4+4+4
8+8+4
16+4
20
Answer:
y= $25-$10.50
Step-by-step explanation: