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Unit 9 - Coordinate Geometry 10 (?) Reteach

Authored by David Little

Mathematics

8th - 12th Grade

Used 1+ times

Unit 9 - Coordinate Geometry 10 (?) Reteach
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10 questions

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1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

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Given the green and purple line are perpendicular what is the slope of the purple line.

Answer explanation

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

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What is the slope of the line you would use to construct the line on the graph through point J.

Answer explanation

3.

MULTIPLE SELECT QUESTION

1 min • 1 pt

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The Bermuda Triangle is a region formed by Miami, San Jose, and Bermuda. The approximate coordinates of each location are shown in the picture above. In a coordinate proof what needs to be demonstrated to prove that the Bermuda Triangle is scalene, choose all that apply.

All the sides have the same slope

All the sides have opposite reciprocal slopes

All the midpoints are the same

All the distances are the same

All the distances are different

Answer explanation

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Given the point for quadrilateral ASTB how would I prove: STAB\overline{ST}\parallel\overline{AB}  


Prove both the sides are the same length of bc

Prove both the sides are the same length of ab

Prove both the sides are the same length of ac

Prove both the sides have a slope of 0 using the slope formula

Prove both the sides have opposite reciprical slope using the slope formula

Answer explanation

5.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

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Which of the following would be used to prove that OLMN is a parallelogram, check all that apply

OL and NM have a slope of ml\overline{OL\ }\ and\ \overline{NM}\ have\ a\ slope\ of\ \frac{m}{l}

OL and NM have a slope of lm\overline{OL}\ and\ \overline{NM}\ have\ a\ slope\ of\ \frac{l}{m}

LM ON because they both have a slope of 0\overline{LM\ }\parallel\overline{ON}\ because\ they\ both\ have\ a\ slope\ of\ 0

LMON because they both have a slope of 0\overline{LM}\perp\overline{ON}\ because\ they\ both\ have\ a\ slope\ of\ 0

LM ON because their slopes are opposite recipricals ml&lm\overline{LM}\ \perp\ \overline{ON}\ because\ their\ slopes\ are\ opposite\ recipricals\ \frac{m}{l}\&-\frac{l}{m}

Answer explanation

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

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Given: WXYZ is an Isosceles Trapezoid, What is the coordinate value of Y:

*Write your answer without spaces

Answer explanation

7.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

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Which of the following would be used in a coordinate proof to prove quadrilateral WXYZ is an isosceles trapezoid.

XY WZ because they both have slopes of 0\overline{XY}\ \parallel\ \overline{WZ}\ because\ they\ both\ have\ slopes\ of\ 0

WX YZ because their slopes are opposites (yx&yx)\overline{WX}\ \perp\ \overline{YZ}\ because\ their\ slopes\ are\ opposites\ \left(\frac{y}{x}\&-\frac{y}{x}\right)

WX YZ because their slopes are opposite recipricals (yx&xy)\overline{WX}\ \perp\ \overline{YZ}\ because\ their\ slopes\ are\ opposite\ recipricals\ \left(\frac{y}{x}\&-\frac{x}{y}\right)

XY WZ because they have a slope of 0\overline{XY}\ \cong\ \overline{WZ}\ because\ they\ have\ a\ slope\ of\ 0

WX YZ because they have the same distance (x2+y2)\overline{WX}\ \cong\ \overline{YZ}\ because\ they\ have\ the\ same\ dis\tan ce\ \left(\sqrt{x^2+y^2}\right)

Answer explanation

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