Given that y = -2 and x = 1, then the value of y² + x + 1 is:
4.
6.
0.
-2.
The equation x(x + 2) - 3(x + 2) has solution(s):
(-3, -2).
(2).
(-3, 2).
(3, -2).
In the expression 3x² - 15x, the common factor is:
5x.
3².
3x.
5.
Given that (x − 2) is a factor of f(x) = x² - kx + 4,
the value of k is
-4.
The number of factors in the expression (x + 1)(x + 2) is:
3.
1.
2.
