SAT Math Practice Question #7455 - SATify | SATify

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SAT Math Practice Question #7455 - SATify | SATify

#7455

equations

algebra

coordinate geometry

circles

expressions

length

formulas

geometry

easy

45 sec

Calculator OK

What is the radius of the circle in the $x y$ -plane with equation $x^{2} + (y + 4)^{2} = 49$ ?

A.

7

B.

14

C.

49

D.

98