a. For x = 75
z = (75-90)/22 = -15/22
b. For x = 100 z = (100-90)/22 = 10/22 = 5/11
Answer: z-values are -15/22 and 5/11, the first sore is negative because 75<90 and the
second one positive because 100>90
a) P(400<X<415)=P(0<Z<15/10) =
I want to review our topics this week also included the polynomials and
addition ,subtraction, division multiplication and simplifying.
A polynomial is a sentence which has no true answers but is made up of
Poly stands for many and nominal rep
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MTH 209 WEEK 2
View the following Week Two Videos:
Patrick Just Math Tutorials: "Factoring Using the Greatest Common Factor"
Patrick Just Math Tutorials: "Factoring By Grouping - Ex 1"
What is the greatest common factor? How do you know when you have
MTH 209 WEEK 4
What steps do you use to simplify radicals? Give an example, showing each step.
Find the prime factorization of the number inside the radical. Start by dividing the number by the first prime
number 2 and continue dividing by 2 until you get
MTH 209 WEEK 5
What is an inverse function? Give an example. What value is there to
knowing how to find the inverse of a function?
What an inverse function does is undo each other. The value of inverse functions is that
you know every (x,y) has a (y,x) pa
MTH 209 WEEK 3
In your own words,
What is a rational expression?
What steps do you use to solve rational equations?
Give an example and explain.
A rational expression in my own terms I would say is a polynomial or binomial expression divided
by another. T
MTH 209 WEEK 1
What do you look forward to ( or not ) in this course?
I am really excited for this class I took the other math class a few weeks ago and I feel like it has
better prepare me for this class. I really enjoy the study guides because they seem
Week 3 Learning Assignment
Area of rectangle= length x width
X^2 + 50x= length * x
X + 50 (binomial to represent length)
96. A= P + Prt
A=P (1+ rt)
100. A. R (p)= p(-0.08p + 300)