To find: Equation of line which is given in graph.
Answer to Problem 4PFA
The required equation of the graph is
Explanation of Solution
Given:
Graph of line
Formula used:
Slope formula,
Where,
Intercept from of the line
Where x and y are x-axis and y-axis intercept and m is the slope and b is the constant.
Calculation:
To find the equation of line first find the slope between two known points given in graph using the slope formula,the graph line cuts the y-axis on 4 and x-axis on 1.
Therefore, two points are,
Find slope with two points,
In the graph it is clear that the slope of the line is negative.
Therefore graph of the equation is
And in the graph line cuts the y-axis on 4. Therefore substitute the point (0, 4) in above equation.
Therefore,
Therefore the required equation of the graph is
Chapter 4 Solutions
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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