The value of (-2)³ +1 is:
9.
-7.
4.
-5.
Subtracting 2 + b from 2a + b gives:
2 - 2a.
2a + 2.
2a - 2.
2a + 2b - 2.
The number which can be added to -3 to give 15 is:
-18.
-12.
12.
18.
Given the expression 2xy and 6x²y, the common factor is:
2x²y.
2x².
2xy.
2y².
In the expression 2x(5 − 3x) the coefficient of x is:
-6.
16.
10.
