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can example of a rational number

a.-√16

b. √27

c. -√2

d. √57

B

Root of 27 will be 9×3. Which will be 3 root 3

B

Step-by-step explanation:

√ 27 IS equal to √ 9 and √ 3

which can further be simplified to 3√ 3

35-60 students are taking math.

the answer would be d.

step-by-step explanation:

move all variables to the left side and all constants to the right side

(x−3)^2+(y−1)^2=16

this is the form of a circle. use this form to determine the center and radius of the circle.

( x − h ) 2 + ( y − k ) 2 = r 2

match the values in this circle to those of the standard form. the variable   r   represents the radius of the circle,   h   represents the x-offset from the origin, and   k   represents the y-offset from origin.

r = 4

h = 3

k = 1

the center of the circle is found at   ( h , k ) .

center:   ( 3 , 1 )

these values represent the important values for graphing and analyzing a circle.

center:   ( 3 , 1 ).

radius:   4