Dr. ZABDAWI
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Tell which set or sets the number belongs to: natural, whole, integer, rational, irrational, real.
1) 3t
A) real, integer B) irrational C) real, irrational D) rational
Use the given real number line to compute the distance.
2) Find d(A, B)
B A
E I . I I . I I I I I I ~
-5 -4 -3 -2 -1 0 1 2 3 4 5
A)2
Simplify the expression. Express the answer so that all exponents are positive. Whenever an exponent is 0 or negative,
we assume that the base is not O.
3)~x-4
A) ..J:.-
x8
The lengths of the sides of a triangle are given. Determine if the triangle is a right triangle. If it is, identify the
hypotenuse.
4) --/il,~, ~ 4)
A) right triangle; ~
Perform the indicated operations. Express the answer as a single polynomial in standard form.
5) (8x8 + llx7 - 13x2 + 5) - (12x8 - Sx4 + 3x2 - 3)
A) 4xB + llx7 - 5x4 - 16x2 + B
C) -4xB + llx7 + 5x4 - 16x2 + B
8/21/06
MATH UII/Pre-Test
1)
2)
0)3
C)4
B) -3
3)
1
C) 16
x
B) x8 D) x16
B) not a right triangle
5)
B) -4x8 + llx7 - 5x4 - 16x2 + 8
D) 4x8 + llx7 + 5x4 - 16x2 + 8
1
