The Number System
The number 57 belongs to which set of numbers?
a) natural
b) natural, whole and integer
c) natural, whole, integer and rational
d) natural, whole, integer, rational and real
d) natural, whole, integer, rational and real
Find (5 x 107) divided by (10 x 102) and express the result in scientific notation.
a) 5 x 104
b) 0.5 x 105
c) 50 x 109
d) 5.0 x 109
a) 5 x 104
The given set represents a function: (0,1), (1,1), (2,1)
If the ordered pair _____ was added to the set, it would no longer be a function.
a) (3,1)
b) (3,2)
c) (3,3)
d) (2,3)
d) (2,3)
Two parallel line segments move from quadrant One or Quadrant Four. Their slopes change from a positive to a negative slope. What transformation has taken place?
a) Reflection
b) Rotation
c) Translation
d) It could be either a rotation or a reflection
d) It could be either a rotation or a reflection
If a scatter plot has a line of best fit that decreases from left to right, which of the following terms describes the association?
a) positive association
b) negative association
c) constant association
d) nonlinear association
b) negative association
Which of the following has the greatest value?
a) 0.4...
b) 0.444
c) the square root of .4
d) 0.45
c) the square root of .4
Li took 4 practice tests to prepare for his chapter test. Which of the following is the best score?
a) 36 correct out of 40 questions
b) 24 correct out of 30 questions
c) 17 correct out of 25 questions
d) 15 correct out of 20 questions
a) 36 correct out of 40 questions
Comparing the two linear equations, y=2x + 7 and y=7x + 2 we find that -
a) y= 2x + 7 has the steeper slope
b) the graphs of the functions will be parallel lines
c) The graphs of the functions will intersect at the point (1,9)
d) The graphs of the functions will be perpendicular lines
c) The graphs of the functions will intersect at the point (1,9)
What transformations can be applied to an object to create a congruent object?
a) all transformations
b) dilation and rotation
c) Translation and dilation
d) reflection, translation and rotation
d) reflection, translation and rotation
Typically air temperature decreases though the night between midnight and 6:00am. This is an example of what type of association?
a) constant association
b) positive linear association
c) negative linear association
d) no association
c) negative linear association
Which of the following is equal to 3-2?
a) 1/9
b) -9
c) 9
d 1/6
a) 1/9
Find the slope between the points (-12, -5) and (0, 8).
13/12
A linear function include the ordered pairs (0,3), (3,9), (9,n). What is the value of n?
a) 20
b) 14
c) 21
d) 22
c) 21
Which of the following transformations does NOT preserve congruency?
a) Rotation
b) Translation
c) Reflection
d) Dilation
d) Dilation
a) 9.5
b) 9.2
c) 8.9
d) 8.5
b) 9.2
The cubic root of 400 likes between which two numbers?
a) 5 and 6
b) 6 and 7
c) 7 and 8
d) 8 and 9
c) 7 and 8
Solve each equation for the variable. Select ALL the answers who values of the variables are the same.
a) -5m = 25
b) -10c = -80
c) -7 + g = -12
d) 12m + 20 = -40
a) -5m = 25
c) -7 + g = -12
d) 12m + 20 = -40
The graph of a linear function includes the points (6,2) and (9,4). What is the y-intercept of the graph?
a) (0,0)
b) (0,-2)
c) (3,0)
d) (0,3)
b) (0,-2)
Finish this statement. Two similar objects _________.
a) have proportional dimensions
b) are always congruent
c) have different measured angles
d) can be different shapes
a) have proportional dimensions
Your school principal wants the custodian to put a new flag up on the flagpole. If the flagpole is 40 feet tall and they have a 50 foot ladder, approximately how far up the base of the pole can he place the base of his ladder in order to accomplish the task?
a) up t 10 ft away
b) up to 20 ft away
c) up to 30 ft away
d) up to 40 ft away
c) up to 30 ft away
Which of the following numbers has the least value?
a) -1.56 x 102
b) -1.56 x 103
c) 1.56 x 102
d) 1.56 x 103
b) -1.56 x 103
0.64x - 0.15x + 0.08 = 0.09x
a) x = -5
b) x = -0.2
c) x = 5.125
d) there is no solution
b) x = -0.2
Which of the following best describes the x & y coordinates of any point in the third quadrant?
a) Both are positive
b) Both are negative
c) One is positive and one is negative
d) None of these
b) Both are negative
In a right triangle ABC, angle C is the right angle. Angle A measures 70o. Find the measure of the exterior angle at angle C.
a) 180o
b) 90o
c) 110o
d) 160o
b) 90o
a) A to B
b) A to C
c) Neither, they are both the same distance
d) Not enough information
b) A to C