The number of factors in the expression (x + 1)(x + 2) is:
3.
4.
2.
1.
The remainder when x² - 2x + 7 is divided by (x + 4) is:
-1
31
-17
15
In the expression 3x² - 15x, the common factor is:
5x.
3².
5.
3x.
The equation x(x + 2) - 3(x + 2) has solution(s):
(3, -2).
(-3, -2).
(2).
(-3, 2).
Given that (x − 2) is a factor of f(x) = x² - kx + 4,
the value of k is
0.
-4.
