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8.4 Matrix Operations Day 1 Thurs May 7 Do Now Solve X – 2y = -6 3x + 4y = 7.
Bell Work Solve for “y” 1.) 3x – 2y = -8 2.) 5x – y + 12 = 3x + 10 3.) 3x – 4y = -7y – 12.
Factoring Decision Tree. Expression GCF Step 1 GCF 14x + 21 = 9x – 12y = 2x 2 + 6x + 4 = 5ab 2 + 10a 2 b 2 + 15a 2 b = 7(2x + 3) 3(3x – 4y) 2(x 2 + 3x.
Warm Up Add or Subtract the following polynomials: 1.(2x 2 – 4y + 7xy – 6y 2 ) – (-3x 2 + 5y – 4xy + y 2 ) 2.If P = 4x 4 - 3x 3 + x 2 - 5x + 11 and Q.
pollard.needham.k12.ma.uspollard.needham.k12.ma.us/UserFiles/Servers/Server_78712... · ... x - lh and Z = 0.4 38) xyz 41) E 39) 4z — 3x + xy 41) ... —4x ; 6x + 4y = (-2)3) b)
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Lesson 6 III. Basic Algebra. A. Simplifying Algebraic Expressions Combining like terms Ex1) Ex2) 3x – 2(x + 3y) – 4y Multiplying Binomials Ex1) (x – 3)(2x.
Warm- Up Solve the following systems using elimination or substitution : 1. x + y = 6 -3x + y = 2 2. 2x + 4y = 7 x + 2y = 7.