If x is the principal square root of 7, what must be true?

a. x = 72, and x is positive

b. x2 = 7, and x is negative

c. x2 = 7, and x is positive

d. x = 72, and x is negative

Match the term on the left with its image or description on the right. match term definition diameter a) circle a and a line segment connecting points b and c which are on the circle. circumference b) circle a and a line segment connecting points b and c which are on the circle. radius c) a piece of the circumference of a circle secant d) two circles that share the same center. concentric circles e) the distance around a circle arc f) a segment between two points on a circle that passes through its center

How far is x from 5 on a number line?

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b