Which statement is true? Point (-2,-7) is located in Quadrant I of a coordinate plane.
Point (3,-9) is located in Quadrant II of a coordinate plane.
O Point (-4, 8) is located in Quadrant Ill of a coordinate plane.
O Point (5, -1) is located in Quadrant IV of a coordinate plane.

Point (5, -1) is located in Quadrant IV of a coordinate plane.

Explanation:

Point (-2,-7) is located in Quadrant III of a coordinate plane, not Quadrant I.

Point (3,-9) is located in Quadrant IV of a coordinate plane, not Quadrant II.

Point (-4, 8) is located in Quadrant Il of a coordinate plane, not Quadrant III.

(2x + 16) + (x) = 180

step-by-step explanation:

given,

abcd is a quadrilateral inscribed in a circle

angle a is labeled x plus 16, (x + 16)

angle b is labeled x degrees, (x)

angle c is labeled 6x minus 4, (6x – 4)

angle d is labeled 2x plus 16, (2x + 16)

what equation can be used to solve for angle b?

we know that the sum of the opposite angles of a simple quadrilateral inscribed in a circle is 180 degrees.

angle b is opposite angle d

therefore, angle b + angle d = 180

(x) + (2x + 16) = 180 

same as (2x + 16) + (x) = 180