Question

1). Solve for x: x^2-2x-15 = 0.
A. -3 and 5
B. 5
C. 2
D. -3
E. 3 and -5

2). The slope of the line 3x + 1/2y = 4 is
A. 3
B. 1/2
C. -6
D. 8

3). {(x^4/ x^-2)}^2 =
A. x^12
B. x^8
C. x^4
D. x^-4

4). Solve for x. |x-12| = 3
A. 15
B. -15
C. 15 and -15
D. 9 and -9
E. 9 and 15

5). If x^2< 4 then :
A. x< -2
B. x< 2
C. x> 2
D. -2< x< 2