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Algebra I Chapter 4 Test: Writing Equations of Lines
By Meghan Rhymes
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Last updated almost 2 years ago
8 questions
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3
3
8
6
3
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6
Question 1
1.
Write an equation of the line that passes through the point (7,4) and has a slope of 4.
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Question 2
2.
Write an equation in slope-intercept form that passes through the points below.
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Question 3
3.
Find the slope and equation of each line described below.
A. Find the slope and the equation of the line that passes through points (-2,3) and (-2, 10).
Slope: _______
Equation of line: _______
B. Find the slope and the equation of the line that passes through points (-9,4) and (1,4).
Slope: _______
Equation: _______
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Question 4
4.
Write an equation of the line that is shown in the graph above.
Equation: _______
Meaning of the slope in context of the problem: _______
Meaning of y-intercept in context of the problem: _______
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Question 5
5.
Write an equation of the line described.
Passes through (2,-1)
parallel to the line y = -7x - 8
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Question 6
6.
Write an equation of the line described.
Passes through (8,-7)
parallel to the line y = 8x - 7
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Question 7
7.
Negative Correlation
Positive Correlation
No Correlation
Question 8
8.
Use may use Desmos Calculator to complete this problem.
The table shows the numbers x of hours spent studying and the test scores y of several students.
a. Use technology to find an equation of the line of best fit.
_______
b. Interpret the slope and y-intercept of the line of best fit.
_______
c. Approximate the test score of a student who spends 5 hours studying.
_______