Topic Test Answers

Solve the following equation algebraically: a. b. c. d. Please select the best answer from the choices provided

Solve equation by using the quadratic formula. a. c. b. d. Please select the best answer from the choices provided

Use a graphing calculator to sketch the graph of the quadratic equation, and then state the domain and range. a. D: all real numbers R: c. D: all real numbers R: b. D: all real numbers R: all real numbers d. D: all real numbers R: Please select the best answer from the choices provided

Solve the following equation by first writing the equation in the form : a. b. c. d. Please select the best answer from the choices provided

For the given equation, find the values of a, b, and c, determine the direction in which the parabola opens, and determine the y-intercept. Decide which table best illustrates these values for the equation:

Grace is planning a move to a different city. She contacts two local rental companies and obtains the following information for the one-day cost of renting a truck: Company A: $40.95 per day plus $0.19 per mile Company B: $19.95 per day plus $0.49 per mile Let n represent the total number of miles driven in one day. Write an inequality that can be used to determine for what number of miles it is less expensive to rent the truck from Company B. a. b. c. d. Please select the best answer from the choices provided

Make a scatter plot of the data below. x y 25 150 50 178 75 216 100 265 125 323 150 392 175 470.4 Using the quadratic regression equation predict what the y-value will be if the x-value is 200. a. y = 83.5 b. y = 346.9 c. y = 238.1 d. y = 555.5 Please select the best answer from the choices provided

Grace is planning a move to a different city. She contacts two local rental companies and obtains the following information for the one-day cost of renting a truck: Company A: $40.95 per day plus $0.19 per mile Company B: $19.95 per day plus $0.49 per mile Let n represent the total number of miles driven in one day. Write an inequality that can be used to determine for what number of miles it is less expensive to rent the truck from Company B. a. b. c. d. Please select the best answer from the choices provided

The data set represents a month-to-month progression of gasoline prices over the course of several months in an unspecified city. Use a graphing calculator to determine the quadratic regression equation for this data set. x 0 1 2 3 4 5 y 2.82 3.29 3.46 3.33 2.88 2.24 a. c. b. d. Please select the best answer from the choices provided

Solve equation by using the quadratic formula. a. c. b. d. Please select the best answer from the choices provided

Solve the quadratic equation graphically using at least two different approaches. When necessary, give your solutions to the nearest hundredth. a. x = -1.1 or x = -1 c. x = 5 or x = -5 b. x = 1.12 or x = -0.82 d. x = 1 or x = -1 Please select the best answer from the choices provided

From the equation, find the axis of symmetry of the parabola. a. c. b. d. Please select the best answer from the choices provided

Solve the quadratic equation numerically (using tables of x- and y- values). a. x = -1 c. x = -3 b. x = 1 or x = -3 d. x = 2 or x = -1 Please select the best answer from the choices provided

For the given equation, find the values of a, b, and c, determine the direction in which the parabola opens, and determine the y-intercept. Decide which table best illustrates these values for the equation: Table A a b c up or down y-intercept 1 7 0 up (0,0) Table B a b c up or down y-intercept 7 1 0 up (0,0) Table C a b c up or down y-intercept 7 1 0 down (0,0) Table D a b c up or down y-intercept 1 7 0 down (0,0) a. Table A c. Table C b. Table B d. Table D Please select the best answer from the choices provided

Solve the quadratic equation numerically (using tables of x- and y- values).x(x + 3) = 0a.x = -1 or x = 3c.x = 0 or x = -3b.x = 0 or x = -5d.x =1 or x = -1