Denzel is working on a problem for his geometry class. He has to determine if quadrilateral ABCD is a parallelogram, and if so, what kind.

He determines that the diagonals of the quadrilateral have the following characteristics:

- the slopes are opposite reciprocals

- the diagonals have the same midpoint

- the diagonals are not congruent

How would you classify the shape?

A
Square

B
Rhombus

C
Rectangle

D
Quadrilateral

Find the gradient of f(x, y,z)equals=left parenthesis x squared plus y squared plus z squared right parenthesis superscript negative 1 divided by 2 baseline plus ln left parenthesis x right parenthesis x2+y2+z2−1/2+ln(xyz) at the point left parenthesis negative 2 comma 1 comma negative 2 right parenthesis(−2,1,−2).

Name the most appropriate metric unit for each measurement

Acircle has a circumference of 2 pi cm. which statement about the circumference and area is true? a comparison of the area and circumference is not possible since the area cannot be determined. the numerical values of the circumference and area of the circle are equal. the numerical value of the circumference is greater than the numerical value of the area. the numerical value of the circumference is less than the numerical value of the area.