Exam

Digital SAT

Section

Difficulty

Digital SAT Mathematics - No Calculator Section

Find the value of k for one solution

Very Hard Passport To Advanced Math Quadratic Equations

Consider the quadratic equation given by:

$$ 3x^2 - 12x + k = 0 $$

where $k$ is a constant. If the equation has exactly one solution, what is the value of $k$?

A

$$ 18 $$

B

$$ 12 $$

C

$$ 0 $$

D

$$ -18 $$

Hint

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