Unit 4 Test - Writing and Graphing Linear Functions
By Chris Long
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Last updated over 2 years ago
24 Questions
0
1.
By submitting this assessment, I am affirming that I have not given or received any unauthorized help on this assignment, and that this work is my own.
6
2.
Graph the function with the given domain.
Domain: {-2, -1, 0, 1}
6
3.
Graph the function with the given domain.
Domain: {x: x < 1}
2
4.
Write the equation for a horizontal line that goes through the point (2,3)
2
5.
Write the equation for a vertical line that goes through the point (2,3)
2
6.
Show your work!
Identify the x-intercept of 2x + 3y = 6 as an ordered pair.
2
7.
Show your work!
Identify the y-intercept of 2x + 3y = 6 as an ordered pair.
3
8.
Sketch the line given by 2x + 3y = 6.
2
9.
Show your work!
Rewrite the equation in slope-intercept form.
3
10.
Write an equation in slope-intercept form of the line shown.
3
11.
Show your work!
Write an equation in slope-intercept form for the linear function f with the given values:
f(2) = -2, f(5) = 7
2
12.
You are taking Tae Kwon Do classes that costs $15 a month. In addition to the classes, you need to purchase a uniform. You paid a total of $108 for the uniform and 6 months of classes.
Write an equation that gives the total cost, y (in dollars) as a function of the length of time you have been taking classes, x (in months).
3
13.
Show your work!
Write an equation in point-slope form of the line that passes through the given points:
(2, -2) and (5, 7)
1
14.
Identify the slope of the given equation:
1
15.
Identify the point of the given equation:
4
16.
Show your work!
Write an equation in standard form that passes through the given points.
(2, 9) and (4, -1)
4
17.
Show your work!
Find the value of k so that the three points lie on the same line.
(1, -2), (-2, 4), (4, k)
k = ?
5
18.
Look at the equations below:
Choose all that apply:
4
19.
Show your work!
Write the equation of the line (any form!) parallel to y = 2x - 6 that goes through the point (4, -9).
4
20.
Show your work!
Write the equation of the line (any form!) perpendicular to y = 2x - 6 that goes through the point (4, -9).
1
21.
Describe the correlation of the data based on your scatter plot.
2
22.
Perform a linear regression to find the equation of the best fitting line. Round to the hundredths place, if necessary.
2
23.
If a 100-gram serving of an avocado contains 161 kilocalories of energy, approximately how many carbohydrates does it contain?
