The temperature in Fairbanks, Alaska begins at -2ºF and gets 3 degrees warmer each hour.
Temperatures in Juneau, Alaska are modeled in the graph shown.
Which statement BEST describes the two situations?
Question 4
4.
What are the slope and y-intercept of the line 3x – 2y = 12?
Hint: change to slope-intercept form (y=mx+b) MUST SHOW WORK
Question 5
5.
Which graph represents the linear function 4x – 2y = -8? MUST SHOW WORK
Question 6
6.
The table shows pairs of values for a linear function.
A different function is defined by the equation y = -2x. Which of the following statements is TRUE?
Question 7
7.
A line is represented by the equation y = 3x – 7. Which statement about the line is TRUE?
Question 8
8.
Chose the equation for a line that passes through (2,-3) and has a slope of m= -4.
**Point-Slope Formula:
Question 9
9.
Convert the following point-slope form equation into slope-intercept form.
Must show your work.
Question 10
10.
Graph the equation that you created for question 9. Be sure to include 2 labeled perfect points.
1
Question 11
11.
What is the y-intercept of the line? Write your answer as an ordered pair (x,y)
What does it represent in context?
Make sure you answer BOTH questions.
1
Question 12
12.
What is the slope of the line? What does it represent in context?
Make sure you answer BOTH questions.
A liquid solution is slowly leaking from a container. The graph shows the milliliters of solution, y, remaining in the container after x minutes.
10x + y = 900
1
Question 13
13.
How many minutes will it take for the container to empty if the solution continues leaking at the same rate? Hint: Find the x-int.Must show your work.
Question 14
14.
Noel is a computer repairman. To fix a computer, he charges a customer $40 per hour, plus a fixed fee of $15 for the service call, as represented by the function f(x) = 40x + 15. In the equation, what is represented by the variable “x”?