Linear Equations
IF A LINE PASSES THROUGH THE POINTS (-9,11), (0,K), AND (3,7), WHAT IS THE VALUE OF K? A) 5 B) 6 C) 8 D) 10
C) 8
IF N-3 > 8 AND N+1 < 14, THEN WHAT COULD BE A VALUE FOR N? A) 11 B) 12 C) 13 D) 14
B) 12
SUSAN IS ABLE TO WALK A FAST PACE OF 4 MILES PER HOUR. HOW MANY FEET WILL SHE WALK IN 40 MINUTES? (1 MILE = 5280 FT.) A) 3 B) 14080 C) 15000 D) 8/3
B) 14080
If a scatterplot has no association then...
A) it has no ordered pairs B) it has ordered pairs that have a negative pattern C) its ordered pairs have no predictable pattern D) it makes a lion on a graph (roar!)
C) its ordered pairs have no predictable pattern
IF 10A = 6B+7 AND A-6B = 34, THEN WHAT IS THE VALUE OF (-1/3)A?
-1
IF THE EQUATION 3(X-5) = C(.75X-3.75) HAS INFINITELY MANY SOLUTIONS, WHAT IS THE VALUE OF C? A) 5 B) 4 C) 3 D) 2
B) 4
IF (1/5)(7-3B) > 2, WHAT ARE ALL THE POSSIBLE VALUES OF B? A) B < -1 B) B > -1 C) B < 1 D) B > 1
A) B < -1
WHICH OF THE FOLLOWING IS EQUIVALENT TO 1.25 : 1.5? A) 2 : 3 B) 6 : 5 C) 10 : 12 D) 25 : 5
C) 10 : 12
What type of correlation (association)?
The outside temperature and the amount of layers you wear. A) Positive correlation B) Negative correlation C) No correlation D)All of the above
B) Negative correlation
IN THE EQUATION 3+10X-5 = (A+1)X-2, A IS A CONSTANT. FOR WHAT VALUE OF A DOES THE EQUATION HAVE INFINITELY MANY SOLUTIONS? A) 2 B) 7 C) 10 D) 9
D) 9
WHICH VALUE OF X MAKES THE EQUATION (8/5)(X+(33/12)) = 16 TRUE? A) 7.25 B) 8.75 C) 12.75 D) 13.25
A) 7.25
IF -2/5 < 3K-4 < 6/7, THEN WHICH OF THE FOLLOWING IS NOT A POSSIBLE VALUE FOR -6K+8? A) -5/7 B) 1/7 C) 1/3 D) 4/3
D) 4/3
TWO NUMBERS HAVE A RATIO OF 5 : 2. IF THEY ARE POSITIVE AND DIFFER BY 21, WHAT IS THE VALUE OF THE LARGER NUMBER? A) 35 B) 70 C) 28 D) NONE OF THE ABOVE
A) 35
A trend line that shows the most accurate relationship between x and y describes...A) linear regression B) no correlation C) trend line D) line of best fit
D) line of best fit
WHICH OF THE FOLLOWING POINTS IS LOCATED IN THE AREA BOUNDED BY THE SYSTEM Y < 2X+1 AND Y > 2X-1? A) (1,0) B) (0,0) C) (-1,2) D) (1,1)
B) (0,0)
IF 2X-3Y = 14 AND 5X+3Y = 21, THEN WHAT IS THE VALUE OF X? A) -1 B) 0 C) 7/3 D) 5
D) 5
IF Y < (3/5)X-2 AND Y <= (-4/3)X+5, WHICH OF THE FOLLOWING IS NOT A SOLUTION TO THIS SYSTEM? A) (-1,-4) B) (1,-1) C) (4,-1) D) (6,-3)
B) (1,-1)
THE MAXIMUM NUMBER OF PEOPLE THE RECEPTION HALL CAN HOLD IS 1 PERSON FOR EVERY 5 SQUARE FEET OF SPACE. IF THE HALL IS 60 FT. WIDE AND 50 FT. LONG, HOW MANY PEOPLE CAN THE HALL HOLD?
600
The number of siblings you have and your weight. A) Positive correlation B) Negative correlation C) No correlation D) All of the above
C) No correlation
EBUKA OPENED A CEREAL BOX. HE ATE A BOWL OF THE CEREAL, WHICH WAS 8% OF THE CEREAL IN THE BOX. IF HE CONTINUES TO EAT THIS MUCH CEREAL IN EACH BOWL, APPROXIMATELY HOW MANY MORE BOWLS CAN HE FILL?
11.5
AT A CERTAIN MOVIE THEATER, THERE ARE 16 ROWS AND EACH ROW HAS EITHER 20 OR 24 SEATS. IF THE TOTAL NUMBER OF SEATS IN ALL 16 ROWS IS 348, HOW MANY ROWS HAVE 24 SEATS? A) 7 B) 9 C) 11 D) 13
A) 7
IF Y > -X-5 AND Y < 2X+3, AND (0,A) IS A SOLUTION TO THE SYSTEM, WHAT IS THE GREATEST POSSIBLE INTEGER VALUE OF A?
2
A LAWN CAN BE MOWED BY 8 PEOPLE IN 6 HOURS. IF 3 PEOPLE TAKE THE DAY OFF AND DO NOT HELP MOW THE GRASS, HOW MANY HOURS WILL IT TAKE TO MOW THE LAWN? A) 9.6 B) 12.125 C) 2.25 D) 5.5
A) 9.6
Which of the following would most likely represent an outlier on a scatterplot which relates height (in inches) to shoe size for men?
A) (67,10) B) (50,16) C) (73,12) D) (70,13)
B) (50,16)
A STORE HAS FIVE DIFFERENT LENGTHS IN FT. OF ROPE FOR SALE: 8, 11, 6, 7, AND X. IF THE RANGE OF LENGTHS OF THE FIVE ROPES IS 7 FEET, WHAT IS THE GREATEST POSSIBLE VALUE OF X?
13