Subtract (3x-30) from the sun of (-2x+8) and (9x-12). A. 8x +50 B. 10x-34 C. 4x+26...
Please help me with numbers 1-5 thanks! Simplify the expression. 1) 9x-2-2x+ 5 A) 10 в) 10x C) 11x +3 D) 7x +3 2) 7x -4x -x 12 A) 3x - 12 B) 3x -x-12 C) 2x -12 D) 3x -13 3)-12 -(5y-10) A) -5y +2 B) -5y-2 C) -5y+ 22 D) -5y-22 4) (8x 13) (3x -1) A) 5x 12 4) B) 6x 13 C) 6x- 12 D) 5x 13 5) 5) -(10v -6)+ 10(2v+ 10) A) 10v+ 106...
Numbers 6,7, and 8 please A) (24,-2) 6)[y=5x + 7 y=8x + 6 A) infinitely many solutions C) no solution (1 26) 3' 3 26 1 Solve the system of equations. 7) y=4x+1 3y-9x = 15 A) (17, 4) C) l(x, y)ly B) (4, 17) D) ø 4x +1) 8) 3x +8y -2 2x+5y =-7 A) (-46, 17) B)(-46-17 C) (17,-46) D) (-17,46)
b) Show that (1+i) is a zero of F(x) = 2x^5 - 9x^4 +12x^3 -4x^2 - 8x +4 c) Find all of the ZEROES of F(x)
296 POLYNOMIAL FUNCTIONS 34. f(x) 4x3 -62-8+15 33. f(x) = r + 3x + 4x 12 35. f(r) r +7x2+9a 2 36. f(x) = 9r +2x +1 37 f(x) 4x4 - 4313r2- 12 3 38. f(x)2x4 -7x3 14r2-15 +6 39 f(r) x4 + x+7x 9x 18 40. f(x) 6x4 +17r3 -55r2 + 16+12 41. f(z) =-3r4 - 83-122- 12 5 42. f(x) 8a4+50343r2+2x-4 43. f(x) = x4 +9x2 +20 44. f(x) x4 +5a2-24 1 45. f(x) - r7x3-7x2 12x 12...
7. Which expression is a simplified form of -2x(-4x + 3)? a. 8x - 6x b. 8x + 6x c. -8x - 3 d. -8x + 3
5) Suppose that 2x, +x2+3x,-1, 4x,6x2+ 8x 5, with lal < 10. For which of the integer values of α from [0, 101 will there be no row interchange required when solving this system using scaled partial pivoting? 5) Suppose that 2x, +x2+3x,-1, 4x,6x2+ 8x 5, with lal
7) For f(x) = x - 4x + 9x? - 201 + 20 a) List the potential rational zeros. b) Determine which values from part (a) are the real zeros of the functions. (You need not show work.) 8) Find the complex zeros of each function. a) 2-10 b) x-1=0 c) 4 + 13x2 + 36 = 0 d) 2x + 3x + 2x + 3 = 0
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
Multiple Choice: 1. Simplify "1-2x-x+5x-3x2+15+x3 a) x3-4x2+3x -1 (b) x2-4x2 +3x +1 (c) x3-4x-3x +1 (d)+4x +3x +1 2. Expand "logly' x3 a) 2(Logly)+3logx)) ( (d) 2logl)+3loglv) (b) 3log(x) 2logly) (c) 6log(x)logly) 3. quals 5 (b) 55 (c) 64 (d) 10 a) 62
cos x + cos 2x cos 3x+ cos 4x 0, is a) 3 c) 7 b) 5 d) 9 Let tan-1 y = tan, + tan-1 ( tan-1 (-Zr where |x| < + v/3 Then a value of y is 1-3z2 1-32 1 + 3z2 1+3 If the angles of elevation of the top of a tower from three collinear points A, B and C, on a line leading to tower, are 300 450 and 60 respectively then the ratio,...