Topic Test Answers

Determine any data values that are missing from the table, assuming that the data represent a linear function.xy716917 1813

Determine any data values that are missing from the table, assuming that the data represent a linear function.xy-1203 42

Solve the system by substitution. Check your solution.

Choose the best graph that represents the linear equation: -2y = x + 6 Graph A Graph B Graph C Graph D

Find the equation of the line specified.The slope is 6, and it passes through ( -4, 4).

Determine the x- and y- intercepts for the graph defined by the given equation.y = -8

Find the equation of the graphed line. a. c. b. d. Please select the best answer from the choices provided

Find the equation of the line specified.The line passes through the points ( 2, 1) and ( 5, 4)

You began membership in a new health and fitness club which has access to a dietician and personal trainer. They help you develop a special eight-week diet and exercise program. The data in the following table represents your weight, w, as a function of time, t, over an eight-week period.Time (weeks)012345678Weight (lb)150144143141140137137132129If you lost 13 pounds in the first five weeks, what is the average rate of change of weight with respect to time over the first five weeks of the program?

You began membership in a new health and fitness club which has access to a dietician and personal trainer. They help you develop a special eight-week diet and exercise program. The data in the following table represents your weight, w, as a function of time, t, over an eight-week period.Time (weeks)012345678Weight (lb)150144143141140137137132129Your weight decreases during each of the first five weeks of the program. Determine the change in the t-value over the first five weeks; that is, from t = 0 to t = 5.

Solve the problem. If a roof has a pitch of 5 to 11, how high will the roof rise over a 33-foot run?

Solve the system by substitution. Check your solution.

Julio has started his very own floral business. He sells centerpieces for $19.50 each. His fixed costs are $500 per month, and each centerpiece cost $8 to produce. Let n represent the number of centerpieces you sell. Write an equation to determine the cost, C. Write another equation to determine the revenue, R. a. b. c. d. Please select the best answer from the choices provided

Solve the system of equations.y = 7x + 43y = 2x + 13

Sarah is the president of the drama club and wants to publish a newspaper. Expenses are $.90 for printing and mailing each copy, plus $600 total for research and writing. The price of the newsletter is $1.50 per copy. How many copies of the newsletter must the club sell to break even?