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3
+ x
= ?

(A)

(B)

(C)

(D)

= ?

(A)

(B)

(C)

(D)

The reduced row echelon form of

is

(A)

(B)

(C)

(D)

Which of the following is the multiplicative inverse of

?

(A)

(B)

(C)

(D)

Which of the following is a solution to

(A)
(-3, 1, 2)

(B)
(3, -1, -2)

(C)
(6, -2, -4)

(D)
(7, -5, -2)

Which of the following is equal to
x
, if

(A)

(B)

(C)

(D)

det

How many different values of
(x, y, z)
satisfy the following system of
equations?

(A)
0

(B)
1

(C)
2

(D)
Infinitely many.

Which of the following is a graph of
3x - y≥3
?

Figure %:
3x - y≥3

(A)
A

(B)
B

(C)
C

(D)
D

Which of the following graphs represents the solution to the system of
inequalities

Figure %: System of inequalities

(A)
A

(B)
B

(C)
C

(D)
D

Factor
15x^{2} - x - 6
.

(A)
15(x - 3)(x + 2)

(B)
(3x + 2)(5x - 3)

(C)
(3x - 2)(5x + 3)

(D)
(5x - 6)(3x + 1)

Factor
8x^{3} - y^{3}
.

(A)
(2x - y)(2x^{2} + xy + y^{2})

(B)
(2x - y)(4x^{2} +2xy + y^{2})

(C)
(2x + y)(4x^{2} -2xy + y^{2})

(D)
(2x + y)(4x^{2} -2xy - y^{2})

Factor
2x^{3} +5x^{2} - 18x - 45
.

(A)
(x + 3)(x - 3)(2x + 5)

(B)
(x - 9)(2x^{2} + 5)

(C)
(x^{2} + 9)(2x - 5)

(D)
(x + 3)(x - 3)(2x - 5)

How many real roots does
f (x) = 4x^{2} - 8x - 16
have?

(A)
0

(B)
1

(C)
2

(D)
Infinitely many.

+ - =
?

(A)

(B)

(C)

(D)

× =
?

(A)

(B)

(C)

(D)
(2x + 3)^{2}(x + 1)^{2}

÷ =
?

(A)

(B)

(C)

(D)
1

What is the solution set of
+ =
?

(A)

(B)

(C)

(D)

y
is a function of
x
in all the following relations EXCEPT: