SD MATH FINAL COACHING 7
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- Q1
Rayon needed to find the perimeter of an equilateral triangle whose sides measure x + 4 cm each. Jake realized that he could multiply 3 (x + 4) = 3x + 12 to find the total perimeter in terms of x. Which property did he use tomultiply?
Commutative Property of Multiplication
Distributive Property of Multiplication over Addition
30s - Q2
Rayon used the following mathematical statement to show he could change an expression and still get the same answer on both sides:10 × (6 × 5) = (10 × 6) × 5Which mathematical property did Rayon use?
Distributive Property of Multiplication over Addition
Associative Property of Multiplication
30s - Q3
A researcher is curious about the IQ of students at the Utrecht University. The entire group of students is an example of a:
population
sample
30s - Q4
How many solutions are there for the following system of linear equations?-3x + 5y = 6
6x 10y = 0
no solution
two solutions
30s - Q5
If A > B, which is always true?
A – B > 0
A < B + 2
30s - Q6
Statistical techniques that summarize and organize the data are classified as what?
Descriptive statistics
Inferential statistics
30s - Q7
The seminar rooms in the library are identified by the letters A to H. A researcher records the number of classes held in each room during the first semester. What kind of graphwould be appropriate to present the frequency distributions of these data?
Bar chart
Scatterplot
30s - Q8
The median is always:
The same as the average
The middle score when results are ranked in order of magnitude
30s - Q9
A teacher gave a statistics test to a class of Geography students and computed the measuresof central tendency for the test scores. Which of the following statements cannot be an accurate description of the scores?
The majority of students had scores above the median.
The majority of students had scores above the mean.
30s - Q10
Which Mathematician pioneered the study of conic sections?
Apollonius
Hipparchus
30s - Q11
Who is considered by man Mathematicians as The Last Universalist”?
Jules Henri Poincare
Georg Cantor
30s - Q12
A researcher studies the factors that determine the number of children future couples decide to have. The variable ‘number of children’ is a:
Continuous variable
Discrete variable
30s - Q13
Surface area and volume, center of gravity, and hydrostatics are some of the studies of which Mathematician?
Euclid
Archimedes
30s - Q14
In the theory he developed, there are infinite sets of different sizes (called cardinalities). Which Mathematician formalized many ideas related to infinity and infinite sets during the late 19th and early 20th centuries?
Georg Cantor
Hendrik Lorentz
30s - Q15
The book Philosophiæ Naturalis Principia Mathematica, more fondly known simply as Principia, is the work of which Mathematician?
Newton
Einstein
30s