The graph of the function f(x) = 2x² - 3x - 2 has:
No turning point.
Both maximum and minimum turning points.
A minimum turning point.
A maximum turning point.
The number of factors in the expression (x + 1)(x + 2) is:
1.
4.
3.
2.
Given that (x − 2) is a factor of f(x) = x² - kx + 4,
the value of k is
-4.
0.
5.
In the expression 3x² - 15x, the common factor is:
5x.
3².
3x.
The remainder when x² - 2x + 7 is divided by (x + 4) is:
31
15
-1
-17