Solve by using the square root property.7x2 - 35 = 0
A. x = ± 
B. x = ± 
C. x = ± 
D. x = 
Answer: C
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Use the pH scale to answer the question.If the pH of a solution increases by 4, how much does the hydrogen ion concentration change? Does the change make the solution more acidic or more basic?
A. Decreases by a factor of 10,000; more basic B. Increases by a factor of 40; more acidic C. Increases by a factor of 10,000; more acidic D. Decreases by a factor of 40; more basic
Factor the expression completely.18s2 + 60s + 48 (electricity)
A. (18s + 24)(s + 2) B. (3s + 4)(6s + 12) C. 6(3s2 + 10s + 8) D. 6(3s + 4)(s + 2)
Provide an appropriate response.At MegaSalad, a salad can be ordered with some, all, or none of the following set of ingredients on top of the salad greens: {ham, turkey, chicken, tomato, feta cheese, cheddar cheese, cucumbers, onions, red peppers, hot peppers }. How many different variations are there for ordering a salad?
A. 2048 B. 1024 C. 1012 D. 512
Use a graphing utility to graph the function over the indicated interval and approximate any local maxima and local minima. Determine where the function is increasing and where it is decreasing. If necessary, round answers to two decimal places.f(x) = x3 - 3x + 3, (-2, 2)
A. local maximum at (-1, 5) local minimum at (1, 1) increasing on (-2, -1) and (1, 2) decreasing on (-1, 1) B. local maximum at (1, 1) local minimum at (-1, 5) increasing on (-2, -1) decreasing on (-1, 1) C. local maximum at (1, 1) local minimum at (-1, 5) increasing on (-2, -1) and (1, 2) decreasing on (-1, 1) D. local maximum at (-1, 5) local minimum at (1, 1) increasing on (-1, 1) decreasing on (-2, -1) and (1, 2)