# Test Answers on mathematic

Standard 1 Number Concepts Number Concepts The mathematics teacher understands and uses numbers, number systems and their structure, operations and algorithms, quantitative reasoning, and technology appropriate to teach the statewide curriculum in order to prepare students to use mathematics. Standard 2 Patterns and Algebra Patterns and Algebra The mathematics teacher understands and uses patterns, relations, […]

Read moreScientific Notation A method of writing or displaying numbers in terms of a decimal number between 1 and 10 multiplied by a power of 10. polynomial A mathematical expression that is the sum of a number of terms polynomial function a function whose rule is a polynomial leading coefficient The coefficient of the term with […]

Read moreQuadratic function A function that can be written in the form f(x) = ax^2+bx+c, where a,b,and c are real numbers and a ≠ 0 Parabola the graph of a quadratic function Vertex form of a quadratic function y = a(x-h)^2 + k Intercept form of a quadratic function y = a(x-p)(x-q) Maximum Value the y-coordinate […]

Read moreAnonymity When the names of individuals participating in a study are not known even to the director of the study. Bias The design of a statistical study shows bias if it systematically favors certain outcomes Block A group of experimental units that are known before the experiment to be similar in some way that is […]

Read morecollinear points are points that lie on the same line noncollinear points are points that do not lie on the same line two points determine a unique straight line (postulate 1) Three noncollinear points determine a unique plane (postulate 2) a line segment is A PART OF A LINE CONSISTING OF TWO POINTS, CALLED END […]

Read moreabsolute value the distance of a number from zero on a number line; distance or this is always positive; for example the answer for 6 and -6 are both 6 adjacent angles angles that have a common side, but no common interior algebraic expression a mathematical phrase that contains one or more numbers, one or […]

Read moreWhat is an equation for a direct variation whose graph passes through the point (-5, 3)? y=-3/5x Which line, having the given slope and passing through the given point, represents a direct variation? m= 2/3 ; (9, 6) The length of an object’s shadow varies directly with its height. If a can that is 13 […]

Read moreWhat are the domain and range of mc016-1.jpg? domain: x > 0; range: all real numbers Which is the graph of a logarithmic function? a […]

Read moreIndex of Qualitative Variation A measure of variability for normal variables The IQV is a single number that expresses the diversity of a distribution The IQV ranges from 0 to 1 An IQV of 0 would indicate that the distribution has NO diversity at all An IQV of 1 would indicate that the distribution is […]

Read moreStatistics a set of procedures used by social scientists to organize, summarize and communicate information Data information represented by numbers, which can be the subject of statistical analysis Research Process a set of activities in which social scientists engage to answer questions, examine ideas, or test theories. Empirical Research Research based on evidence that can […]

Read moreobservational study a study based on data in which no manipulation of factors has been employed retrospective study an observational study in which subjects are selected and then their previous conditions or behaviors are determined. Retrospective studies need not be based on random samples and they usually focus on estimating differences between groups or associations […]

Read moreALIBATA 3 patinig (a, e/i, o/u); 14 katinig =17 Alpabetong Romano/ Abecedario Ang pinalit ng kastila ABAKADA Lope K. Santos; 5 patinig +15 katinig= 20 letra Lope K. Santos Ama ng Barirala 1976 Dagdag na 11 letra 1987 (Alpabetong Filipino) 5 patinig + 23 katinig = 28 letra >kautusan pangkagawaran >Blg. 81 2001 Revisyon ng […]

Read moreIBS Exercise 10 Q 1:What percentage of the females had scores at and below 27-28 6.1 IBS Exercise 10 Q 2:(Refer to table #3 ) What percentage of the males had scores at and below 27-28? 11.2 IBS Exercise 10 Q 4:(Refer to table #3 ) Based on the total sample, what is the percentile […]

Read more(1a1) Types of numbers: Natural, Whole, Integers, Rational, Irrational, real (1a2) Add Fractions 1) Convert to common denominator 2) Add the numerators 3) Reduce the fraction (1a3) Find opposite of a fraction 1) Switch numerator and denominator 2) Change sign (1a4) Subtract two negative numbers -1 -2 = -3 (1a5) Subtract 1 – (-2) 1 […]

Read moreProbability (theoretical probability) of an event The likelihood that an event will happen. The number of ways that a given event can occur divided by the total number of outcomes from a sample space of equally likely outcomes. P( A) = n(A)/n(S) Experimental (empirical) probability An estimate of probability that the event happens, based on […]

Read moreMeasure of Center is a value at the center or middle of a data set Arithmetic \”Mean\” a set of data is the measure of center found by adding the data values and dividing the total by the number of data values Median a data set is the measure of center that is the middle […]

Read moreLet P,Q, and R be the points of tangency of the incircle of ∆ABC with sides BC, CA, and AB, respectively. Then lines AP, BQ, and CR: are concurrent. Gergonne point Point of congruency of lines AP, BQ, and CR, where P,Q, and R are the points of tangency of the incircle of ∆ABC. Ceva’s […]

Read morefind a number that is 56 less than its square -7, 8 find two consecutive odd integers the sum of whose squares is 130 -9,-7 ,9 or 7 two ships leave port, one sailing east and the other south, some time later they are leaving 17 mi apart, with the eastbound ship 7 mi farther […]

Read moreLogic – Critical thinking skill. Open and Closed Sentences – Open: Sentence with variable. ex:) x+2=8, It is my favorite color. – Closed: Sentence without a variable. ex:) 6+2=8, The grass is green. Open Sentences – Open: Sentence with variable. ex:) x+2=8, It is my favorite color. Closed Sentences – Closed: Sentence without a variable. […]

Read moreFactoring The process of writing a number or exponent as a product. Factorization Any combination of factors multiplied together resulting in the product Factors Any set of the numbers or expressions that form a product Prime factorization The unique factorization of a natural number written as a product of primes Greatest common factor GCF Product […]

Read moreAlgebra one of the main branches of mathematics, it concerns the study of structure, relation and quantity. Algebra studies the effects of adding and multiplying numbers, variables, and polynomials, along with their factorization and determining their roots. In addition to working directly with numbers, algebra also covers symbols, variables, and set elements. Addition and multiplication […]

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