Value of 3a + 2b if a = 4 and b = 2 is.
16
11
13
14
Evaluate the expression (2p + 3q) (p - q) if p = 4 and q = -3
-17
17
-7
+7
a2(b2 + d2) - b2 (a2 + d2) =
a2d2 + b2d2
a2d2 - b2d2
ad2 - bd2
None of these
(3p4)2 =
3p8
9p6
9p8
9p4
Value of (-ac)2 when a = 2 and c = 3 is.
-36
36
25
-25
Simplify 3p + 7q - 2p - 5q.
p + 2q
p + q
2p + q
2p + 2q
Change the subject of the formula y = 3x + 8 to x.
x = y - 8
x = 1/3 y - 8/3
x = 3y - 8
x = 1/3 y + 8/3
Value of - 2c (a + b) if a = 3 b = 2 and c = 4 is.
-40
40
45
(32)0 =
0
1
9
320
x/7 (21x - 28y) - x/2 (4x - 6y) =
x2 - xy
x2 + xy
-x2 - xy
-x2 + xy
