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| PAGE: 25 | SET: Exercises | PROBLEM: 67 |
Observe the graph:
Consider graph on the scale about 
and 
axis is 
.
Let the line passes through the points are 
and 
.
Find the slope.
.
(Formula for slope)
(Substitute 
and 
)
(Multiply)
(Substitute: 
and 
)
(Simplify)
Therefore, the slope is 
.
The slope is 
and the point is 
.
Slope-intercept form of the equation of a line is 
.
Find the slope intercept line equation.
(Slope-intercept form)
(Substitute 
and 
)
Therefore, the slpoe intercept form of the line eqaution is 
.
The line equation shaded region of the graph is shown as left of the 
-axis.
Therefore, the inequality is greater then be equal to left side shaded is 
.
Option D is right choice.
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Simply chose a support option
  
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