Find the values of a, b, and c for which the quadratic equation ax2 + bx + c = 0 has the given numbers as solutions. Then use those values to write a quadratic equation.2, -9
A. x2 - 18x + 7 = 0
B. x2 - 18x - 7 = 0
C. x2 - 7x - 18 = 0
D. x2 + 7x - 18 = 0
Answer: D
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Find the present value or future value. Round to the nearest cent.Present Value: 
Interest Rate: 14.5%Time: 157 daysFuture value: $24,040
A. $22,720.65 B. $22,591.29 C. $22,610.22 D. $22,619.24
Find the slope of the line through the points.(3, 8) and (6, 1)
A. 
B. 1
C. - 
D. - 
Use graphical methods to solve the linear programming problem.Minimize z = 2x + 4y subject to: x + 2y ? 10 3x + y ? 10 x ? 0 y ? 0
A. Minimum of 20 when x = 2 and y = 4 B. Minimum of 20 when x = 10 and y = 0 C. Minimum of 0 when x = 0 and y = 0 D. Minimum of 20 when x = 2 and y = 4, as well as when x = 10 and y = 0, and all points in between
Solve the problem.The following table indicates whether certain features are "standard" for each of the three models of homes.?Hardwood FlooringGranite CountertopsCrown MouldingModel Home AnoyesnoModel Home ByesnoyesModel Home CnonoyesUse the roster method to describe the following sets.(i) A = model homes in which hardwood flooring is standard(ii) B = model homes in which granite countertops are standard(iii) C = model homes in which crown moulding is standard(iv) A ? C
A. (i) {Model Home B, Model Home C} (ii) {Model Home A} (iii) {Model Home A, Model Home B (iv) {Model Home A} B. (i) {Model Home B} (ii) {Model Home A} (iii) {Model Home A, Model Home B} (iv) {Model Home B} C. (i) {Model Home C} (ii) {Model Home A} (iii) {Model Home B, Model Home C} (iv) {Model Home C} D. (i) {Model Home B} (ii) {Model Home A} (iii) {Model Home B, Model Home C} (iv) {Model Home B}