What is the most precise name for quadrilateral abcd with vertices a(–3, 1), b(–1, 3), c(6, 3), and d(4, 1)?
a rectangle
b parallelogram
c quadrilateral
d rhombus

Option B - Parallelogram

Step-by-step explanation:

Given : Quadrilateral ABCD with vertices A(–3, 1), B(–1, 3), C(6, 3), and D(4, 1).

To find : What is the most precise name for quadrilateral ABCD ?

Solution :

The best way is to plot the points in the graph and join the points and get the distance.

Refer the attached figure below.

The distance between AB and CD is unit.

The distance between BC and AD is 7 unit.

The mutually edges are parallel each other and equal.

The figure represent the parallelogram.

Therefore,option B is correct.

answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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