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Sagot :
Let's solve the problem step by step.
1. The slope of line segment [tex]\(\overline{QU}\)[/tex]:
Given points are [tex]\(Q(-3,2)\)[/tex] and [tex]\(U(3,0)\)[/tex].
[tex]\[ \text{slope}_{\overline{QU}} = \frac{0 - 2}{3 - (-3)} = \frac{-2}{6} = -\frac{1}{3} \][/tex]
2. The slope of line segment [tex]\(\overline{AD}\)[/tex]:
Given points are [tex]\(A(6,-5)\)[/tex] and [tex]\(D(0,-3)\)[/tex].
[tex]\[ \text{slope}_{\overline{AD}} = \frac{-3 - (-5)}{0 - 6} = \frac{-3 + 5}{0 - 6} = \frac{2}{-6} = -\frac{1}{3} \][/tex]
3. The slope of line segment [tex]\(\overline{DQ}\)[/tex]:
Given points are [tex]\(D(0,-3)\)[/tex] and [tex]\(Q(-3,2)\)[/tex].
[tex]\[ \text{slope}_{\overline{DQ}} = \frac{-3 - 2}{0 - (-3)} = \frac{-5}{3} = -\frac{5}{3} \][/tex]
Now, consider the relationships between the slopes to determine the nature of the lines:
4. Check if lines are parallel by comparing slopes:
- Slope of [tex]\(\overline{QU}\)[/tex] is [tex]\(-\frac{1}{3}\)[/tex].
- Slope of [tex]\(\overline{AD}\)[/tex] is [tex]\(-\frac{1}{3}\)[/tex].
- Slope of [tex]\(\overline{DQ}\)[/tex] is [tex]\(-\frac{5}{3}\)[/tex].
Since [tex]\(\text{slope}_{\overline{QU}} = \text{slope}_{\overline{AD}}\)[/tex], the lines [tex]\(\overline{QU}\)[/tex] and [tex]\(\overline{AD}\)[/tex] are parallel.
- Similarly, as the slopes match [tex]\(\text{slope}_{\overline{UA}}\text{,}\overline{DQ}\)[/tex], these lines are also parallel.
So, the lines with equal slopes are parallel.
5. Check if lines are perpendicular by using the product of slopes:
- The product of the slopes of lines that are perpendicular must be [tex]\(-1\)[/tex].
- Checking product for [tex]\(\overline{QU}\)[/tex] and [tex]\(\overline{AD}\)[/tex] (Should match slopes being perpendicular parallel):
[tex]\[ \text{slope}_{\overline{QU}} \times \text{slope}_{\overline{AD}} = -\frac{5}{3} \times -\frac{1}{3} \implies \frac{5}{9} = 0.555 (greater than 1=-1,meaning lines here should be truly parallel) \][/tex]
- No perpendicular slopes observed meaning the line's relationship is parallel formed not as perpendicular..
Therefore, based on the parallel relationship identified ([tex]\(\overline{QU} \| \overline{AD}\)[/tex] and [tex]\(\overline{DQ}\| \overline{UA})). The correct answer is: B. \(\overline{QU} \parallel \overline{AD}\)[/tex] and [tex]\(\overline{UA} \parallel \overline{DQ}\)[/tex] because the segments have the same slope.
1. The slope of line segment [tex]\(\overline{QU}\)[/tex]:
Given points are [tex]\(Q(-3,2)\)[/tex] and [tex]\(U(3,0)\)[/tex].
[tex]\[ \text{slope}_{\overline{QU}} = \frac{0 - 2}{3 - (-3)} = \frac{-2}{6} = -\frac{1}{3} \][/tex]
2. The slope of line segment [tex]\(\overline{AD}\)[/tex]:
Given points are [tex]\(A(6,-5)\)[/tex] and [tex]\(D(0,-3)\)[/tex].
[tex]\[ \text{slope}_{\overline{AD}} = \frac{-3 - (-5)}{0 - 6} = \frac{-3 + 5}{0 - 6} = \frac{2}{-6} = -\frac{1}{3} \][/tex]
3. The slope of line segment [tex]\(\overline{DQ}\)[/tex]:
Given points are [tex]\(D(0,-3)\)[/tex] and [tex]\(Q(-3,2)\)[/tex].
[tex]\[ \text{slope}_{\overline{DQ}} = \frac{-3 - 2}{0 - (-3)} = \frac{-5}{3} = -\frac{5}{3} \][/tex]
Now, consider the relationships between the slopes to determine the nature of the lines:
4. Check if lines are parallel by comparing slopes:
- Slope of [tex]\(\overline{QU}\)[/tex] is [tex]\(-\frac{1}{3}\)[/tex].
- Slope of [tex]\(\overline{AD}\)[/tex] is [tex]\(-\frac{1}{3}\)[/tex].
- Slope of [tex]\(\overline{DQ}\)[/tex] is [tex]\(-\frac{5}{3}\)[/tex].
Since [tex]\(\text{slope}_{\overline{QU}} = \text{slope}_{\overline{AD}}\)[/tex], the lines [tex]\(\overline{QU}\)[/tex] and [tex]\(\overline{AD}\)[/tex] are parallel.
- Similarly, as the slopes match [tex]\(\text{slope}_{\overline{UA}}\text{,}\overline{DQ}\)[/tex], these lines are also parallel.
So, the lines with equal slopes are parallel.
5. Check if lines are perpendicular by using the product of slopes:
- The product of the slopes of lines that are perpendicular must be [tex]\(-1\)[/tex].
- Checking product for [tex]\(\overline{QU}\)[/tex] and [tex]\(\overline{AD}\)[/tex] (Should match slopes being perpendicular parallel):
[tex]\[ \text{slope}_{\overline{QU}} \times \text{slope}_{\overline{AD}} = -\frac{5}{3} \times -\frac{1}{3} \implies \frac{5}{9} = 0.555 (greater than 1=-1,meaning lines here should be truly parallel) \][/tex]
- No perpendicular slopes observed meaning the line's relationship is parallel formed not as perpendicular..
Therefore, based on the parallel relationship identified ([tex]\(\overline{QU} \| \overline{AD}\)[/tex] and [tex]\(\overline{DQ}\| \overline{UA})). The correct answer is: B. \(\overline{QU} \parallel \overline{AD}\)[/tex] and [tex]\(\overline{UA} \parallel \overline{DQ}\)[/tex] because the segments have the same slope.
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