Solve the equation using the quadratic formula. Check your solution.
What will be an ideal response?
5, -5
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Find the limit.
A. 
B. -?
C. - 
D. ?
Use the Gauss-Jordan method to solve the system of equations. x - y + 8z = -107 x + 2y = 212x + y + 8z = -80
A. (5, 8, 0) B. (5, 8, 7) C. (5, 8, -13) D. No solution
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 AyesnonoModel Home ByesnoyesModel Home CyesyesnoUse 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 ? B
A. (i) {Model Home A, Model Home B, Model Home C} (ii) {Model Home C} (iii) {Model Home B} (iv) {Model Home B} B. (i) {Model Home B, Model Home C} (ii) {Model Home A} (iii) {Model Home A, Model Home B, Model Home C} (iv) {Model Home A, Model Home B, Model Home C} C. (i) {Model Home A, Model Home B} (ii) {Model Home C} (iii) {Model Home B, Model Home C} (iv) {Model Home B} D. (i) {Model Home A, Model Home B, Model Home C} (ii) {Model Home C} (iii) {Model Home A, Model Home C} (iv) {Model Home A, Model Home C}
Solve the problem.A contractor finds that it takes Sam Tockett 9 hours to construct a wall of a certain size. It takes Jim Lowell 6 hours to construct the same wall. How long would it take if they worked together?
A. 3
hours
B. 15 hours
C. 
of an hour
D. 1 hour