5.3 , i ,Lfi cil I Sample QuestionsDS05989- What is the value of 2x + 2一X?
(1) X > 0
(2) 4 x + 4 一X= 23
DS1345'/- What is the ratio of c to d?
(1) The ratio of 3c to 3d is 3 to 4.
(2) The ratio of c + 3 to d + 3 is 4 to 5.
DS15099
204.A candle company determines that, for a certain
specialty candle, the supply function is p = m 1 x + b 1
and the demand function is p = m 2 x + b 2 , where p is
the price of each candle, xis the number of candles
supplied or demanded, and m 1 , m 2 , b 1 , and b 2 are
constants. At what value of x do the graphs of the
supply function and demand function intersect?(1) m 1 = -吭= 0. 005
(2) b 2 - b 1 = 6WO kX y z
m
DS!2862- In the figure shown, lines k and m are parallel to each
other. Is x = z?
( 1 ) X=W
( 2 ) Y= 180 - w
0S13097- If k and£are lines in the xy-plane, is the slope of k less
than the slope of£?
(1) The x-i ntercept of line k is positive, and the
x- -i ntercept of line£is negative.
(2) Lines k and£intersect on the positive y-axis.
DS09642- When the wind speed is 9 miles per hour, the wind-chill
factor w is given by
W=-17.366+ l.19t,where tis the temperature in degrees Fahrenheit. If at
noon yesterday the wind speed was 9 miles per hour,
was the wind-chill factor greater than O?(1) The temperature at noon yesterday was greater
than 10 degrees Fahrenhe止
(2) The temperature at noon yesterday was less
than 20 degrees Fahrenhe止A@B0S08852- What is the volume of the cube above?
(1) The surface area of the cube is 600 square inches.
(2) The length of diagonal AB is 10岛inches.
Bc0S03989- In the figure shown, quadrilateral ABCO is inscribed 1n a
circle of radius 5. What is the perimeter of quadrilateral
ABCD?
(1) The length of AB is 6 and the length of CD is 8.
(2) AC is a diameter of the circle.
DS05766- How many members of a certain legislature voted
against the measure to raise their salaries?
(1)—of^1 the members of the legislature did not vote
4
on the measure.
(2) If 5 additional members of the legislature had
voted against the measure, then the fraction of
members of the legislature voting against the
measure would have been -·^1
1)$05986^3- If Y* 0, is lxJ = 1?
(1) X=-y
IYI
(2l Ix!= -x
DS08306- If xis a positive integer, what is the value of x?
(1) X三.Jx
(2) -n = n and n * 0.
X
DS07568
213.Is the median of the five numbers a, b, c, d, and e
equal to d?(1) a<c<e
(2) b < d < c