Module 1- Geometric Reasoning Review
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the formula for finding the weighted average of two points A and B with weights?
Back
Weighted Average = (w1 * A + w2 * B) / (w1 + w2), where w1 and w2 are the weights of points A and B.
2.
FLASHCARD QUESTION
Front
How do you find the coordinates of a point P that divides a line segment AB in a given ratio?
Back
Use the section formula: P(x,y) = ((mx2 + nx1)/(m+n), (my2 + ny1)/(m+n)), where m:n is the ratio and A(x1,y1), B(x2,y2).
Tags
CCSS.HSG.GPE.B.6
3.
FLASHCARD QUESTION
Front
What is the midpoint formula for two points (x1, y1) and (x2, y2)?
Back
Midpoint M = ((x1 + x2)/2, (y1 + y2)/2).
Tags
CCSS.HSG.GPE.B.6
4.
FLASHCARD QUESTION
Front
Define coplanar points.
Back
Coplanar points are points that lie on the same plane.
5.
FLASHCARD QUESTION
Front
How many points are needed to define a plane?
Back
Three non-collinear points are needed to define a plane.
6.
FLASHCARD QUESTION
Front
What is the definition of a line segment?
Back
A line segment is a part of a line that is bounded by two distinct endpoints.
Tags
CCSS.HSG.CO.A.1
7.
FLASHCARD QUESTION
Front
What is the distance formula between two points (x1, y1) and (x2, y2)?
Back
Distance = √((x2 - x1)² + (y2 - y1)²).
Tags
CCSS.HSG.GPE.B.7
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