If you multiply a matrix representing a polygon by a 2 x 2 matrix having rows of 0, 1 and -1, 0, what is the result?
a) A translation of 1 unit to the right.
b) A reflection over the x-axis.
c) A reflection over the y-axis.
d) A clockwise rotation of 90.
e) A counter clockwise rotation of 90.
Question 2...Which core curriculum model is probably the easiest to adopt if the school is in a traditional tracking system?
a) Crossover.
b) Enrichment.
c) Differentiated.
d) Integrated.
e) Linear.
Question 3...Select the list that represents three possible core curriculum models for schools.
a) Crossover, Enrichment, and Differentiated.
b) Crossover, Enrichment, and Integrated.
c) Enrichment, Differentiated, and Linear.
d) Enrichment, Differentiated, and Integrated.
e) Differentiated, Integrated, and Linear.
Question 4...The Pythagorean Theorem, as mentioned in the text, has an interesting spin-off that involves investigating obtuse and acute triangles. Which of the following is always true for acute triangles, where c represents the length of the longest side?
a) .
b) .
c) .
d) .
e) .
Question 5...What do the NCTM and Common Core State Standards consider a core curriculum?
a) Pre-K to 12 curriculum for all students.
b) Pre-K to 8 curriculum for all students.
c) Middle school curriculum for all students.
d) Three years of high school curriculum for all students.
e) Four years of high school curriculum for all students.
Question 6...Which of the following can generally be done on a hand-held computer that cannot be done with a graphing calculator?
a) Manipulate algebraic symbols.
b) Sketch graphs of trigonometric functions.
c) Perform computation with matrices.
d) Determine maxima and minima for quadratic functions.
e) Find combinations and permutations.
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