8 and 9 plz Multiply or divide. Simplify. (4 points each) 5x x+x-6 3x 5x+5 6)...
MT 118/018, HW, CHAPTER 6, SPRING 2020 C. + 1+ Divide and simplify 7 14 - 7 #46: 3x 18 - 2) Pages 351-352 (6.1 Exercise Set): #16, 20, 32, 34, 46, and 62 (6 questions) Simplify each rational expression #16: #62: R 3) Pages 359-360 (6.2 Exercise Set): #8, 28, 30, and 32 (4 questions) Add or subtract as indicated. Simplify each answer. #32: Bư- 27 +6+9 128 Multiply and simplify. 134: Page 2 of 5
1. Add, subtract, or multiply as indicated. Simplify completely. (4 pts) (x - 4) - (x2 – 3x + 4) a. b. (4 pts) (x + 5)(x2 + 2x) C. (4 pts) (x - 2)2 2. Solve each equation using any method. (4 pts) 2x2 + 4x - 30 = 0 a. b. (4 pts) (x - 3)2 = 16 C. (4 pts) x² - 4x = 6 d. (4 pts) x2 = 81 e. (4 pts) 72x = 8x2...
Part S: Compate fer each set of fractions 2 4 6 1 8+12- 2+7- 3 5 7 10-5-1 4 2 3 1 9 3 10 5- 7 2 3 3 5 3- 8 5- Part 6: Add and subtract the signed numbers. 8+18-(-3) -5-(-17) 42+ (-4) -12-(+26) 3+(-29)+ (-11) 0-(-16) +7 15-4+(-18) -54 +34 8+((41-(-17) -17-(-3+-1) 5-(16+-2) -33+(-5-6) Part 7: Multiply and divide the signed numbers (-4X-5)(20) (-2)(-7)-4) 13(-3)X2) 12+-3 -26/-13 (3(4X-1) -35+5 -84/-2 (11-3)3 6/3-2 (4 8)-1 (-30/10) -7
4. Simplify and state the restrictions. 2x+8 4x+16 a) 3x 6x2–5x+1 b) x2-4 Х x2-x-2 x2-3x 2x2 4 1 c) x2+3x+2 + 1 x2+4x+3 11x d)- x2+3x-28 X-4
1. Evaluate the expression when x=-5 - 3x² + 2x - 7 2. Simplify: 4+ 2(x + 3) – 7(2x - 5) 3. Subtract: (5y² + 4y + 3) - (y? – 7y + 10)
14. Simplify each expression. Use positive exponents only. (a) (−7x ^8 )(3x^2 ) (b) (−2xy^3 )^4 (c) 5x^-4 (d) ( 4/x^5 )^−3 (e) 49x^2y^12z^9/ 21x^2y^15z^2
1. (10 points) Solve each of the following systems by graphing: 2x + 3y = 6 3x - 2y=6 4x=-6y +12 x-4y=-8 -6 -6 5 4 5 -4. 3. 2 3. -6 -5 4 3 2 1 1 2 3 -6 5 4 -3 -2 -1 1 21 31 4 5 6 1 4 -6 -6 2. (10 points) Solve each of the following systems: (3x - 5y = 11 2x-6y=2 y = 3x + 5 5x-2y=-7)
please answer ALL questions. thank you 1. Simplify: (5x + 3) - (4x + 1)(6 - x) (4 marks) Perform the indicated operation and simplify: -6V80 + 275- 8245 - 14 V108 2. (2√5 - 4√6) (3√3 + 8 √2) (8 marks) 3. Simplify, and state the restrictions on the variable x² - x-6x² - 2x+1 x2 - 4 x-1 8 9x +15x 3x + 5 (12 marks) Determine if the following expressions are equivalent. Justify your answer. 6x +...
Multiplying and Dividing Rational Expressions: 2) x^2-8x+7/x^2+6x-7 = (x-7)/(x+7) 3) x^2-5x+6/x+4 times 3x+12/x-2 =3(x-3) 4)2x-3/5x+1 divided by 6x^2-13x+6/15x^2-7x-2=1 5) x^3-9x/x^2+11x+24 times x^2+7x-8/x^2-4x+3= x(x-3)(x-1)/(x+3)(x+8) 6) 4x-8/x^2-x-6 divided by x^3 +x^2-6x/x^2-9=(x-3)/x(x-2) 7) x^2-16/x-3 divided x+4/x^2-9=(x-1)/(x+1)
4x-5y=-2 3y-x=-3 4x+5y=-2 4y-x=11 3x-6y=5 2y=4x-6 2x+y=9 2x-5x=15 3y-x=0 x-4y=-2 3(y-1)=2(x-3) 3y-2x=-2.25 y=3x y=3x+1 Alkana and Hsu together earn $84,326 per year. If Alkana earns $12,468 more per year than HSU, then how much does each of them earn per year? Mrs Brighton invested $30,000 and received a total of $2,300 in interest. If she invested part of the money at 10% and the remainder at 5%, then how much did she invest at each rate? Tickets for a concert...