RVB has been reflected as shown in the diagram. What is the length of
Y'B?

5

Step-by-step explanation:

If it's been reflected in any direction it means it still has the same measurements between its corresponding segments, so VB is still VB. And that makes the answer 5. That also means that the unknown VR is still 6, and the unknown RB is 4 still. It doesn't look like the sake triangle but they are congruent on a proportional level.

option 1 is correct.

step-by-step explanation:

y varies inversely with x and constant of variation is 4

the equation will be:

y = k/x

where k =4 so,

y = 4/x

if we put values of x of option 1 in the above equation and find values of y

y = 4/-2 => y =-2

y = 4/-1 => y = -4

y = 4/1 => y = 4

y = 4/2 => y =2

so, all the values of x and y are correct.

if we put values of x given in other options and find value of y we cannot find whole table satisfying the equation.

hence option 1 is correct.

the formula for the equation of a circle is (x – h)2+ (y – k)2 = r2, where (h, k) represents the coordinates of the center of the circle, and r represents the radius of the circle. if a circle is tangent to the x-axis at (3,0), this means it touches the x-axis at that point.