Susie’s dog weighed 32 pounds in 2010. At the end of 2011, the dog weighed 43.5 pounds. What was the percent increase in weight
1 answer:
You might be interested in
Answer:
x = -1, x = 1
Step-by-step explanation:
Factor the equation. (It's a difference of squares, so we know the form will be (a-b)(a+b).)
Test this by FOILing it out, if you're unsure. This is something it can be good to memorize!
Set it equal to 0.
Separate the two parenthetical expressions by the Zero Product Property.
Solve for x!
