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:
87-31 will equal n
Step-by-step explanation:
Step-by-step explanation:
if you want it on a number line put a closed circle around the 30 and draw the line till 60 and put a closed circle.
3/5 ÷ 9/10
...becomes
3/5 * 10/9 = 30/45
...simplify by dividing by 15/15
2/3