SAT Math Practice Question #34784 - SATify | SATify

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SAT Math Practice Question #34784 - SATify | SATify

#34784

quadratic equations

systems

equations

hard

120 sec

Given the system of equations:

$y = x^{2} + k x + 5$
$y = 2 x + 1$

For what positive value of $k$ does the given system of equations have exactly one distinct $(x, y)$ solution?

A.

2

B.

4

C.

6

D.

8