MM
Mashaal Masha
Feb 21, 2024
The expression $4x^{2}+bx-45$, where $b$ is a constant, can be rewritten as $(hx+k)(x+j)$, where $h$, $k$, and $j$ are integer constants. Which of the following must be an integer?
Difficulty: Hard
A:
$\frac{b}{h}$
B:
$\frac{b}{k}$
C:
$\frac{45}{h}$
D:
$\frac{45}{k}$
ID: 65d5a14edbc6daab1c0aa3c1