The coordinates of the vertices of quadrilateral abcd are a(−1, −1) , b(−3, 3) , c(1, 5) , and d(5, 2) . drag and drop the choices into each box to correctly complete the sentences. the slope of ab¯¯¯¯¯ is , the slope of bc¯¯¯¯¯ is , the slope of cd¯¯¯¯¯ is , and the slope of ad¯¯¯¯¯ is . quadrilateral abcd is because . −2−34122a parallelograma trapezoidneither a parallelogram nor a trapezoidboth pairs of opposite sides are parallelonly one pair of opposite sides is parallelneither pair of opposite sides is parallel

The slope of AB is - 2,

Slope of BC is

Slope of CD is

Slope of AD is ,

ABCD is trapezoid because one pair of opposite sides is parallel.

Step-by-step explanation:

Given vertices of quadrilateral ABCD,

A(−1, −1) , B(−3, 3) , C(1, 5) , and D(5, 2),

∵ Slope of a line passes through two points and is,

Thus, the slope of AB =

Slope of BC =

Slope of CD =

Slope of DA =

Since, when two line segment having the same slope then they are parallel to each other.

∴ BC ║ DA

A quadrilateral only having two parallel sides is called trapezoid,

Hence, ABCD is a trapezoid.

step-by-step explanation:

20% of 120 is 24. if you subtract 24 from 120 you get 96

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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