# Find the value of n so that the expression is a

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Find the value of n so that the expression is a perfect square trinomial and then factor the trinomial. t - t + Select one: 2 n a. n b. n c. n d. n The correct answer is: n = = = = =
Solve the quadratic equation by completing the square and applying the square root property. y + 53 = 4 y Select one: 2 } } } } }
12/6/2020 Graded Exam #2 Question 12 Correct 8.75 points out of 8.75 Solve the equation by using the quadratic formula. 2 x ( x - 2) = 5 Select one: i i
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Question 13 Correct 8.75 points out of 8.75 Solve the problem. The gas mileage for a certain vehicle can be approximated by where x is the speed of the vehicle in mph. Determine the speed(s) at which the car gets 9 mpg. Round to the nearest mph. Select one:
12/6/2020 Graded Exam #2 Question 14 Solve the problem.
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8.75 points out of 8.75 A sprinkler rotates 360° to water a circular region. If the total area watered is approximately , determine the radius of the region (the radius is length of the stream of water). Round the answer to the nearest yard. Select one:
Question 15 Correct 8.75 points out of 8.75 Solve and express your solution in simplified form. x - 3 x + 2 =0 Select one: 4 2 }
12/6/2020 Graded Exam #2 9/12 Question 16 Correct 8.75 points out of 8.75 Question 17 Correct 8.75 points out of 8.75 Solve the equation. Select one: a. { } b. c. d. The correct answer is: Solve the problem.