In the expression 3x² - 15x, the common factor is:
5x.
3x.
5.
3².
The equation x(x + 2) - 3(x + 2) has solution(s):
(3, -2).
(2).
(-3, 2).
(-3, -2).
Given that (x − 2) is a factor of f(x) = x² - kx + 4,
the value of k is
-4.
0.
4.
The expression x2 - (2x - 3)(2x + 3) when expanded and simplified gives:
3(3 + x²).
(3 + x)(3 - x).
-3(3 + x²).
3(3 - x²).
The graph of the function f(x) = 2x² - 3x - 2 has:
Both maximum and minimum turning points.
A maximum turning point.
A minimum turning point.
No turning point.
