Question 5 Use percentages to find out in which assignment Tebogo performed the best. She obtained 64/75 for Assignment 1, 52/60 for Assignment 2, and 36/45 for Assignment 3. Question 6 Find the solution set of sqrt((x+1)^2) + 3x = 0. Question 7 Find the solution set of 3^2(x+1) - 8.3^x+1 = 9. Question 8 8.1 Solve for x: log(x + 3) + log x = 1. 8.2 Show that the above equation will have an irrational root if the base is changed to 2, and a rational root if the base is changed to 4. Question 9 The sizes of the angles of a triangle is in the proportion 1:2:3. Find the size of each angle.
Added by Puleng
Close
Step 1
Question 5: Show more…
Show all steps
Your feedback will help us improve your experience
Kathleen Carty and 91 other Algebra educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Question 6 Find the solution set of (x + 1)2 + 3x = 0 Question 7 Find the solution set of 3^2(x+1) - 8.3^x+1 = 9 Question 8 8.1 Solve for x: log (x + 3) + log x =
Kathleen C.
Problems $75-86,$ solve each equation. Express irrational solutions in exact form and decimal rounded to three decimal places. $\log _{2}(x+1)-\log _{4} x=1$ [Hint: Change $\left.\log _{4} x \text { to base } 2 .\right]$
Exponential and Logarithmic Functions
Logarithmic and Exponential Equations
22. The value of 49^2log7√2 is ______. (A) 7 (B) 4 (C) 1/7 (D) 1/4 23. If log (14x + 114) - log (4x + 1) = log 10, then find x. (A) 10 (B) 4 (C) 13 (D) 17 24. Find the value of y satisfying the equation log512/log64 = (log4 y) + 1. (A) 2 (B) 4 (C) 8 (D) 16 25. Find the value of x, if 1/7 log81 2187 + 1/8 log9 6561 = log16 x. (A) 8 (B) 16 (C) 32 (D) 64 26. Simplify: log 15/8 + 2 log 8/5 - 3 log 2/3 - log 2.7 . (A) log 2 + log 3 (B) 1 - log 2 (C) 1 + log 3 (D) 1 + log 2 27. Simplify: log_b2 a x log_c2 b x log_d2 c x log_e2 d x log_a2 e. (A) 1 (B) 1/8 (C) 1/16 (D) 1/32 28. If log_y x = 5 and log_2y 8x = 4, then find the value of x. (A) 16 (B) 32 (C) 5 (D) 25 29. If 2 log_5 P + 1/2 log_5 Q = 1, then express Q in terms of P. (A) Q = 25P^2 (B) Q = 25/P^2 (C) Q = 25P^4 (D) Q = 25/P^4 30. Find the value of x, if x/log 2 + x/log 4 + x/log 16 + ... ∞ = log2. (A) log2 (B) log 2 / 2 (C) (log 2)^2 / 2 (D) (log 2 / 2)^2
Ankit S.
Recommended Textbooks
Elementary and Intermediate Algebra
Algebra and Trigonometry
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD