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Algebra I Chapter 4 Test: Writing Equations of Lines

Last updated over 1 year ago
8 questions
3

Write an equation of the line that passes through the point (7,4) and has a slope of 4.

3

Write an equation in slope-intercept form that passes through the points below.

8
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: _______
6
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: _______
3

Write an equation of the line described.

Passes through (2,-1)
parallel to the line y = -7x - 8

3

Write an equation of the line described.

Passes through (8,-7)
parallel to the line y = 8x - 7

6
  • Negative Correlation
  • Positive Correlation
  • No Correlation
6
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.
_______