Given that y = -2 and x = 1, then the value of y² + x + 1 is:
0.
-2.
6.
4.
The number of factors in the expression (x + 1)(x + 2) is:
3.
1.
2.
The equation x(x + 2) - 3(x + 2) has solution(s):
(3, -2).
(-3, 2).
(-3, -2).
(2).
The expansion of (x - 3)(x + 4) is:
x² + x − 7.
x² + x + 1.
x² + x - 12.
x² − x − 12.
Given that (x − 2) is a factor of f(x) = x² - kx + 4,
the value of k is
5.
-4.
