Question 1 (1 point)
Write an equation of the line through the given point with the given slope. Write the equation in
slope-intercept form.
(5, 6); m = 0
Question 1 options:
a) y = 6
b) x = 5
c)
d)
y=-
x+0
y=-
x+0
Save
Question 2 (1 point)
Write the equa
Question 1 (1 point)
Write an equation of the line through the given point with the given slope. Write the equation in
slope-intercept form.
(5, 6); m = 0
Question 1 options:
a) y = 6
b) x = 5
c)
d)
y=-
x+0
y=-
x+0
Save
Question 2 (1 point)
Write the equa
D1: Lets develop a library of helpful websites for this class. Either as your original posting, or as
your response to the original posting of this problem, give the URL of a math tutorial website
that helped you. What did you like about this site? Why wo
Question 1 (1 point)
Solve the problem.
An electrician charges a fee of $40 plus $25 per hour. Let y be the cost in dollars of using the electrician
for x hours. Find the slope-intercept form of the equation.
Question 1 options:
a) y = 40x + 25
b) y = 25x
Choose one problem from the discussion question options to post on the discussion board for
Week 2 Discussion. Please copy and paste the question into your post OR type out the question
statement so that your post is self-contained. Please check the board
D1: What topic has given you the most trouble so far? Be specific, give an example, and tell us
how you mastered it. More than one student can answer this one - all of you can answer this one
as long as you have different concepts or a new way to master a
Anursehastwosolutionsthatcontaindifferentconcentrationsofacertainmedication.Oneisa
30%concentration,andtheotherisa15%concentration.Howmanycubiccentimeters(cc)of
eachshouldshemixtoobtain45ccofa20olution?Outlineyourstepsandlabelwell.
The total medication in
Scatterplot on the TI
To create a scatterplot, you first need to enter the data into lists. First lets take a moment to learn
how to do that. You can enter a set of data or a list of numbers into your calculator in a list.
1. Press [STAT] > [ENTER], You s
Week One
Reading
Chapter 1, sections 1.3 and 1.5; Chapter 3, sections 3.1-3.10
Discussion 1
You are given two crystals. One crystal is a diamond and the other crystal is a cubic
zirconium.
Both are virtually the same hardness. What simple test could you p
Graphing a Line
Example: Lets graph the line y = -3x + 2 by hand using two methods, and then graph it on the
TI.
Method 1: Plot points
We can use any three points to graph the line. (We really only need two, the third is a check
yourself point!) Choose an
Question 1 (1 point)
Solve the problem.
If the price for a product is given by p = 1600 - x 2, where x is the number of units sold, then the revenue
is given by R = px = 1600x - x3. How many units must be sold to give zero revenue?
Question 1 options:
a)
Finding the x and y-intercepts
First input the line you want in to [Y=]. (The first of the five buttons right below the calculator
screen.)
1. To find the x intercept hit [2nd] [CALC] [2:ZERO]. You should now see a blinking dot
(also called an (x, y) poin
Best-fit Line
All of these terms: least squares line, regression line and the best fit line all mean the same
thing refer to this same idea/line. Regression is a tremendously useful tool and is used all the
time. With a calculator, it is very easy to carr
Math 084 W2010 Worksheet 4.3 v02
Slope Exercises
Dressler
Name_
Find the slope of the line, or state that the slope is
undefined.
7)
Find the slope of the line passing through the pair of
points or state that the slope is undefined.
1) (1, 2) and (3, 8)
y