BHS Math Guide

UTAH CORE STATE STANDARDS for MATHEMATICS

„ „ Standard SII.MP.7 Look for and make use of structure. Look closely at mathemati cal relationships to identify the underlying structure by recognizing a simple structure within a more complicated structure. See complicated things, such as some algebraic expressions, as single objects or as being composed of several objects. For example, see 5 – 3( x – y ) 2 as 5 minus a positive number times a square and use that to realize that its value cannot be more than 5 for any real numbers x and y. „ „ Standard SII.MP.8 Look for and express regularity in repeated reasoning. Notice if rea soning is repeated, and look for both generalizations and shortcuts. Evaluate the reason ableness of intermediate results by maintaining oversight of the process while attending to the details. Strand: NUMBER AND QUANTITY—The Real Number System ( N.RN) Extend the properties of exponents to rational exponents (Standards N.RN.1–2). Use proper ties of rational and irrational numbers (Standard N.RN. 3). „ „ Standard N.RN.1 Explain how the definition of the meaning of rational exponents follows from extending the properties of integer exponents to those values, allowing for a nota tion for radicals in terms of rational exponents. For example, we define 5 1/3 to be the cube root of 5 because we want (5 1/3 ) 3 = 5 (1/3)3 to hold, so (5 1/3 ) 3 must equal 5. „ „ Standard N.RN.2 Rewrite expressions involving radicals and rational exponents using the properties of exponents. „ „ Standard N.RN.3 Explain why sums and products of rational numbers are rational, that the sum of a rational number and an irrational number is irrational, and that the product of a nonzero rational number and an irrational number is irrational. Connect to physical situations (e.g., finding the perimeter of a square of area 2). Strand: NUMBER AND QUANTITY—The Complex Number System (N.CN) Perform arithmetic operations with complex numbers (Standards N.CN.1–2). Use complex numbers in polynomial identities and equations (Standards N.CN.7–9). „ „ Standard N.CN.1 Know there is a complex number i such that i 2 = -1, and every complex number has the form a + bi with a and b real. „ „ Standard N.CN.2 Use the relation i 2 = -1 and the commutative, associative, and distribu tive properties to add, subtract, and multiply complex numbers. Limit to multiplications that involve i 2 as the highest power of i . „ „ Standard N.CN.7 Solve quadratic equations with real coefficients that have complex solutions. „ „ Standard N.CN.8 Extend polynomial identities to the complex numbers. Limit to quadrat ics with real coefficients. For example, rewrite x 2 + 4 as ( x + 2 i )( x – 2 i ) .

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