SAT Math Practice Question #25727 - SATify | SATify

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SAT Math Practice Question #25727 - SATify | SATify

#25727

geometry

coordinate geometry

medium

120 sec

What is the area of the triangle formed by the lines $y = 7$ , $y = 2 x + 1$ , and $y = - 2 x + 1$ ?

A.

9

B.

12

C.

15

D.

18

E.

21