Algebra 1
Name: _______________________________
Unit 3: L4
Date: _________________ Period: _______
Writing Equations Given a Graph (5.1, 5.2 , 5.3 , 5.6)
Essential Question:

What information is needed to determine the equation of a line?
Goal:
1) I can write an equation of a line in slope-intercept form and standard form given the graph of a linear
equation.
Section 1: GIVEN A GRAPH… Write the equation of the line.
PROBLEM
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F
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Homework:
Supplemental Worksheet
Lesson summary:
Summarize the process of writing the equation of a line in slope-intercept form given a graph.
Standard
Algebra 1
Name: _______________________________
Unit 3: L4
Date: _________________ Period: _______
HOMEWORK… Writing Equations of Lines in Slope-Intercept Form (5.1, 5.2 , 5.3 , 5.6)
Part 1: Write the equation of the line in both slope-intercept form and standard form given the graph.
1)
2)
3)
4)
SIF =
SIF =
SIF =
SIF =
Standard =
Standard =
Standard =
Standard =
5)
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8)
SIF =
SIF =
SIF =
SIF =
Standard =
Standard =
Standard =
Standard =
Part 2: Write an equation in slope-intercept form for the line that passes through the given point and is
parallel to the graph of each equation.
9)
10)
11)
Part 3: Use the diagram below to answer questions 12 and 13.
12) Quadrilateral ABCD has diagonals AC and BD. Determine whether AC is perpendicular to
BD . Explain.
13) Triangle ABC has vertices A (0, 4), B (1, 2), and C (4, 6). Determine whether triangle ABC
is a right triangle. Explain.