webassign.net 7. [-11 Points] ROLFFMB 2.1.030. ASK YOUR TEACHER PRACTICE ANOTHER The system of equations does not have a unique solution. Determine whether the system has no solution or an infinite number of solutions. 9x+21y=6 12X+28y=8 The system of equations has -Select- A 9 Additional Mahdi-Is lIl eBook B. [-11 Points] ROLFFMB 2.1.032. ASK YOUR TEACHER PRACTICE ANOTHER The system of equations does not have a unique solution. Determine whether the system has no solution or an innite number of solutions. 18x7 By 15 736x + 12y 33 The system has ---Salei:i~- 0 Additional Mat-rials [I] eBook 9. [-11 Points] ROLFFMB 2.1.035. ASK YOUR TEACHER PRACTICE ANOTHER Determine the equilibrium solution. The demand equation is given first and the supply equation second. p=4X+27 p= 2x73 =l:l Additional Mahriili III eBook 10. [-11 Points] ROLFFM8 2.1.039. ASK YOUR TEACHER PRACTICE ANOTHER Determine the equilibrium solution. The demand equation is given first and the supply equation second. p=75x+79 p= 4x756 (w) =( ) Additional Materials III eBook 11. [-12 Points] MY NOTES I I ASK YOUR TEACHER PRACTICE ANOTHER I The Gifts Galore Catalog Company estimates the demand equation for its portable video recorder/player to be p = *11X + 661, where x is the demand quantity (in thousands) and p is the price. The supply equation is estimated to be p = 12.5): + 379, where x is the supply quantity (in thousands) and p is the price. Find the equilibrium quantity and price. Equilibrium occurs when the price of the video recorder/player is $ [2 and the quantity is [j thousand. Additional Materials ROLFFMB 2.1.042. E] eBook Done 3 webassign.net AA (5 12. [-18 Points] DETAILS ROLFFMB 2.1.048. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The Unique Gifts catalog lists a "super loud and vibrating alarm clock." Their records indicate the following information on the relation of monthly supply and demand quantities to the price of the clock. Demand Supply Price 169 134 $34 139 174 $46 Use this information to nd the following. (a) points on the demand linear equation ('6 P) =( ) (smaller x-value) (X. P) =( ) (larger x-value) points on the supply linear equation (X. P) =( ) (smaller x-value) (X. P) =( ) (larger x-value) (b) the demand equation .0 (c) the supply equation ,0 (d) the equilibrium quantity and price Equilibrium occurs when the price of the clock is $ C] and the quantity is :J . Additional Materials E3 eBook 13. [-12 Points] DETAILS ROLFFMB 2.1.058. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The Catalog Store has data indicating that, when the price of a CD bookcase is $132, the demand quantity is 96 and the supply quantity is 120. The equilibrium point occurs when the price is $82 and the quantity is 112. Find the linear demand equation ,0. (Let x be the demand quantity.) p = Find the linear supply equation p. (Let x be the supply quantity.) Need Help? Additional Materials m eBook 10:25 webassign.net 1. [-/1 Points] DETAILS ROLFFM8 2.1.004. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Solve the system of equations by substitution. 2x - y = -1 2x+ y = -3 ( x, y) = ( Additional Materials eBook 2. [-/1 Points] DETAILS ROLFFM8 2.1.008. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Solve the system of equations by substitution. x - 2y = -18 4x - 7y = -67 ( x, y) =( Additional Materials eBook 3. [-/1 Points] DETAILS ROLFFM8 2. 1.014. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Solve the system of equations by substitution. 0.06x - y + 3.4 = 0 0.07x - 0.04y - 0.54 = 0 ( x, y) = ( Need Help? Watch It Additional Materials eBook 4. [-/1 Points] DETAILS ROLFFM8 2. 1.018. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Solve the system of equations by elimination. 2x + y = 15 4x + 5y = 21 ( x, y) = ( Additional Materials eBook 5. [-/1 Points] DETAILS ROLFFM8 2.1.022. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Solve the system of equations by elimination. 7x - 2y = 7 -14x + 6y = 2 ( x, y ) = Additional Materials eBook 6. [-/1 Points] DETAILS ROLFFM8 2. 1.024. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Solve the system of equations by elimination. 2x + 3y = 265 6x - 2y = 366 ( x, y ) = (