The graph of the function f(x) = 2x² - 3x - 2 has:
A minimum turning point.
Both maximum and minimum turning points.
A maximum turning point.
No turning point.
In the expression 3x² - 15x, the common factor is:
3².
3x.
5x.
5.
The number of factors in the expression (x + 1)(x + 2) is:
3.
2.
1.
4.
The expansion of (x - 3)(x + 4) is:
x² + x − 7.
x² + x + 1.
x² − x − 12.
x² + x - 12.
The remainder when x² - 2x + 7 is divided by (x + 4) is:
-17
31
-1
15
