6-2 Warm-Up 1. CST: 2. The equation of line l is Simplify 6x 5 y 3 , and the equation of line q is 5x 6 y 0 . Which statement about the two lines is true? Current: 35 A. Lines l and q have the same y-intercept B. Lines l and q are parallel. C. Lines l and q have the same x- intercept. D. Lines l and q are perpendicular. 3. Review: Evaluate the given expression if 1 m 1, n 2, and x . 4 3m 2 n3 8 x 4. Other: Write the given expression using exponents. 2 xx y y y yzzz 3 Today’s Objective/Standards: Students add, subtract, multiply, and divide monomials and polynomials. Students solve multi-step problems, including word problems, by using these techniques. (10.0) Format: PDG Jan. 2005 6-3 Warm-Up 1. CST: 2. Which expression is equivalent to 8 2 6 3 2 x x ? A. 3. Simplify. 3 34 6 3 B. 10 C. 3 16 D. 3 x 4 x3 5 3 B. x x 7 3 C. x x 9 3 D. x x A. 2 x CAHSEE: Current: y 5 z 5 xy 2 z 2 4. Simplify. Other: 62 2 2 32 Today’s Objective/Standards: Students add, subtract, multiply, and divide monomials and polynomials. Students solve multi-step problems, including word problems, by using these techniques. (10.0) Format: PDG Jan. 2005 Warm-Up 6-4 1. CST: A. 8 4 1 B. 16 1 C. 16 1 D. 8 1 B. 2 x 4 1 C. 5 x 4 x4 D. 5 3. Current: Simplify. 12a 5 b 7 36a 8 b CAHSEE: 4 Which number equals (2) ? 5x 3 10 x 7 A. 2x 2. 4. Other: Complete the table. 10,000 10 4 103 10 2 101 100 101 102 103 104 Format: PDG Jan. 2005 6-5 Warm-Up 1. CAHSEE: 2. Current: 15 The radius of the earth’s orbit is Is 9.1 10 a very small, or a 150,000,000,000 meters. What is very large number? this number in scientific notation? 11 A. 1.5 10 11 1 . 5 10 B. 10 15 10 C. 9 D. 15010 3. Review: Convert 3.254 10 4 to decimal notation. 4. Other: Simplify. 6 x 2 y3 4 Today’s Objective/Standards: Students add, subtract, multiply, and divide monomials and polynomials. Students solve multi-step problems, including word problems, by using these techniques. (10.0) Format: PDG Jan. 2005 Warm-Up 6-6 1. CAHSEE: Simplify the expression below. 6a bc7ab c 4 3 13a 4 b 3 c 5 4 2 B. 13a b c 4 3 C. 42a b c 5 4 2 D. 42 a b c A. 3. Review: Simplify. 16x 5 y 2 2x 3 y 3 2. Current: a) Arrange the terms of the polynomial so that the powers of x are in descending order. 3xy 2 5 x 4 y 3 x 2 y 4 7 y b) What is the degree of the polynomial? 4. Simplify. Other: 3x 2 y 28x 9 y Today’s Objective/Standards: Students add, subtract, multiply, and divide monomials and polynomials. Students solve multi-step problems, including word problems, by using these techniques. (10.0) Format: PDG Jan. 2005 Warm-Up 6-7 1. 4x A. B. C. D. CST: 2. Current: 2 x 8 x 2 3x 2 Find the sum. 3x 2 6 x 7 5x 2 4 3x 2 x 6 2 3 x 2 x 10 x x 12 3x 2 5 x 6 3 x 2 5 x 10 2 3. Review: 4. a) What degree is this polynomial? Simplify. 1 2 x y 11y 3 4x 3 xy 2 2 Other: 27 a 7 bc 3 18a 5 b 6 b) Rearrange the terms of the polynomial so that the powers of x are in descending order. Today’s Objective/Standards: Students add, subtract, multiply, and divide monomials and polynomials. Students solve multi-step problems, including word problems, by using these techniques. (10.0) Format: PDG Jan. 2005 Warm-Up 6-8A 1. CAHSEE: Simplify. x A. B. C. D. 2 3x 1 x 2 x 7 2 2. Current: Find the product. 6 xy 2 5x 2 2 xy y 2 x6 x 8 5x 6 2x2 x 8 3. Review: Simplify. 4. Simplify. 4m 3m 2 2m 5 2 m 2 m 1 Other: 3xx 7 2x 7 Today’s Objective/Standards: Students add, subtract, multiply, and divide monomials and polynomials. Students solve multi-step problems, including word problems, by using these techniques. (10.0) Format: PDG Jan. 2005 Warm-Up 6-8B 1. CST: 2. Current: The sum of two binomials is Find the product. 5 x 2 6 x. If one of the binomials is (4b 2)(3b 5) 3x 2 2 x, what is the other binomial? A. 2 x 4 x 2 B. 2 x 8 x 2 C. 8 x 4 x 2 D. 8 x 8 x 2 3. Review: Simplify. (2 x 3 y 2 z ) 3 4. Other: Simplify. 5 x x 2 3x 7 2 x 2 4 x 3 Today’s Objective/Standards: Students add, subtract, multiply, and divide monomials and polynomials. Students solve multi-step problems, including word problems, by using these techniques. (10.0) Format: PDG Jan. 2005 Warm-Up 6-9 1. CST: 2. Current: Which of the following expressions Find the product. is equal to 2 x 13x 2 4 x 1 x 2 x 22x 1? A. 2 x 2 x 2 B. 2 x 4 x 2 C. 2 x x 2 D. 4 x 2 x 2 3. Review: 4. Evaluate. Express the result in scientific and decimal notation. 5610 10 10 8 5 Other: Simplify. 2 5 3 5 ab c Today’s Objective/Standards: Students add, subtract, multiply, and divide monomials and polynomials. Students solve multi-step problems, including word problems, by using these techniques. (10.0) Format: PDG Jan. 2005 Chapter 6 Review 1. Review: Simplify. a) 4 2 3 16a 3b 2 x 4 y b) 48a 4 bxy 3 3. 2. Review: Simplify. 2c d 3c 2 Warm-Up Review: Find the product. (3x 4)( 2 x 2 5 x 1) a) a b) a 4. 2 2 6ab 7b 2 3a 2 ab b 2 6ab 7b 2 3a 2 ab b 2 Review: Evaluate. Express the result in scientific and decimal notation. 1.44 109 12 105 Today’s Objective/Standards: Students add, subtract, multiply, and divide monomials and polynomials. Students solve multi-step problems, including word problems, by using these techniques. (10.0) Format: PDG Jan. 2005