1. [6 marks] Solve for x. Answers that are not integers should be left in fractional...
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 +...
Help solving. please confirm my answers
13. -18 = y + 6 -24=1 14. 15 - 3a = - 4a + 16 +46 +46 ibra = 16 G la = 1 16. 6 = (15n-6) G=-24) 15.5(x – 3) + 12 = -2(x - 2) 5x-15+3 = -2x+ 43 sx +3 = -2x + 4 5x = -24 7 +2x = +6x 17. * =*x+1 703 X=1 5n=-12 S 18.10(x + 3) - (-9x - 4) = x-5+3 20.-3 (1...
20: Solve the system of equations using substitution method. 2x+5y=26 X+ y= 10 21: Solve the following equation. x-x1/2-6= 0 22: Solve the following system of equations, using elimination method. 2x+3y = 5 5x- y = 4 23: Solve the system of nonlinear equations. Any Method. Y?=x2-9 2y= x-3 24: Convert the log into exponent form. Ln (3x-5)2= 16 25: f(x)= 1/x in words explain the transformation of the following functions. a. g(x) = 1/ (x-3) +5 b. h(x)= -1/(x+2)...
5. Rewrite the following in radical (root) form, then evaluate. [4 marks) a) 643 b) 817 6. Solve the following exponential equations. Make sure to show your work! Leave your answers as fractions if necessary. [2, 3, 4 marks) a) 2x-3 = 32 c) 16*+1 = 83x-2 b) 3x+3 = 1
Systems of Equations: 3x + y = 6 2x-2y=4 Substitution: Elimination: Solve 1 equation for 1 variable. Find opposite coefficients for 1 variable. Rearrange. Multiply equation(s) by constant(s). Plug into 2nd equation Add equations together (lose 1 variable). Solve for the other variable. Solve for variable. Then plug answer back into an original equation to solve for the 2nd variable. y = 6 -- 3x solve 1" equation for y 6x +2y = 12 multiply 1" equation by 2 2x...
2. (K/U: 6 marks and T: 6 marks) Solve for x. (a) 2x3 – 3x² – 8x +12<0 o bob UAH (b) log(x + 3) + log(x - 1) – log 21 = 0 (c) 32x+1 < 81
Please answer 1,2,3,4,5,6,7 by showing all of your
work make sure all of the answers is fully correct.
y-3 1. Solve fory: - 4 B) C) D)-16 4 4 2. Perform the operation: (9x + 2x -9) - (-5x- 3x + 9). A) 3x7 +5x B) 14x2 +5x - 18 C) 14x-x - 18 D) 3x+5x - 18 3. Multiply: (x' - 10) (x' + 10) B) x*- 100 A) x*+ 20x2 -100 C) x*-20 Dx4-20x2- 100 4. Multiply: (2x...
5) A) Solve: 15y4- 29y2 - 14 = 0 .B) Rationalize the answers. 6) Show that the distance formula comes from the Pythagorean Theorem. Use a picture and some algebra OR Simplify the cube root of 216x13. 7) Graph the system of Linear Inequalities: Y> -2x+1 Y - 3x < - 4
Question 2 Solve the given systems of equations by the method of substitution. Note: NO MARKS will be given for using the wrong method. A. x2y + 1 2x-3y 4 B. 3x+y 1 3x-2y 16
need help solving and checking answers
Evaluate each function for the given value of x, and write the input and output as an ordered pair. Need help? Check out these resources: http://virtualnerd.com/algebra 1/linear-equation-analysis/point- slope-standard-form/standard-form-examples/write-linear- equation standard-form-slope-point 27. f(x) = 3x - 7 for x = 6 28.g(x) = 9x - 5 for x = 3 29.h(x) = 12x for x = 4 30.t(x) = 8x - 5 for x = 7 Linear Functions and Slope Intercept Form You can use...