The number of factors in the expression (x + 1)(x + 2) is:
1.
2.
3.
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:
No turning point.
A maximum turning point.
Both maximum and minimum turning points.
A minimum turning point.
Given that y = -2 and x = 1, then the value of y² + x + 1 is:
6.
0.
-2.
In the expression 3x² - 15x, the common factor is:
5x.
5.
3².
3x.
