Transcript text: SIGNMENT
7.
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uiz 3 (W06 FA2024)
Graph the inequality, $y<-\frac{5}{4} x+5$.
Items
Instructions
Details
Drag the points on the line to position it and adjust the slider to change the line's style. Then drag the larger, red point to be completely inside of the region representing the solution set.
Solution
Solution Steps
Step 1: Convert inequality to slope-intercept form
The inequality is already in slope-intercept form: y < -(5/4)x + 5.
Step 2: Determine two points on the line
Find two points that satisfy the equation y = -(5/4)x + 5.
When x = 0, y = 5. This gives the point (0, 5).
When x = 4, y = -(5/4)(4) + 5 = -5 + 5 = 0. This gives the point (4, 0).
Step 3: Plot the line and determine shading
Plot the points (0,5) and (4,0) on the graph. Since the inequality is strictly less than (<), the line should be dashed. Draw a dashed line through the two points. The inequality y < -(5/4)x + 5 indicates that the solution region is below the line.
Step 4: Verify with a test point
Pick a test point not on the line, such as (-5, 5). Substitute it into the inequality: 5 < -(5/4)(-5) + 5, which simplifies to 5 < 25/4 + 5, or 5 < 11.25. Since this is true, the region containing the point (-5, 5) should be shaded.
Final Answer:
The graph of the inequality should be a dashed line passing through (0, 5) and (4, 0) shaded below the line. The red dot should be placed anywhere in the shaded region, for example, at (-5, 5). The slider should be set to "Dashed."