10 questions
Let x = 2 and y = 3. Evaluate 3x - 4y.
6
-6
2
-2
Evaluate 4n - n2 for n = -3.
-21
-3
8
-7
Evaluate (2y - 5)2 for y = -2.
-25
25
-81
81
Evaluate 3a2 - ab when a = -1 and b = 3.
12
-5
6
0
Let t = 3 and u = -5. Evaluate 3t - u2.
-19
31
34
-16
The length of a rectangle is represented by (5x - 3) and the width is (x + 3). If x = 2, then which of the following values is the actual perimeter of this rectangle?
18
14
24
20
A rectangle has a dimension that is represented by (2c + 1) and another dimension that is (3 + c). If c = 3, then that is the actual area of this rectangle?
13 square units
42 square units
36 square units
12 square units
A square has a side that is represented by (9 - v). If v = -2, than that is the actual perimeter of this square?
121 units
22 units
44 units
88 units
Let p = 0.5 and q = 1.5. Evaluate 4p2 - 4q.
2
-5.75
7
-5
Evaluate (3x - 4)(x + 8) when x = 2.
-20
100
20
12