The system of equations
is a system of two equations in the two variables __________ and __________. To determine whether (5, −1) is a solution of this system, we check whether x = 5 and y = −1 satisfy each __________ in the system. Which of the following are solutions of this system?
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PRECALCULUS: MATHEMATICS FOR CALCULUS
- Solve the system of equations: {2x2y+3z=64x3y+2z=02x+3y7z=1 .arrow_forwardFor each system of linear equations decide whether it would be more convenient to solve it by substitution or elimination. Explain your answer. (a) {4x5y=323x+2y=1 (b) {x=2y13x5y=7arrow_forwardMotherboards A manufacturer produces motherboards and chips for computers. The production line produces 45 items per day, and each motherboard requires two chips the northbridge and the southbridge. a. Using M for the number of motherboards and C for the number of chips, write a system of two equation in two unknowns that determines the number of motherboards and the number of chips that are produced each day. b. How many motherboards and how many chips are produced each day?arrow_forward
- Use the system of three equations in three variables to solve each problem. Work schedules A college student earns 198.50 per week working three part-time jobs. Half of his 30-hour work week is spent cooking hamburgers at a fast-food chain, earning 5.70 per hour. In addition, the student earns 6.30 per hour doing janitorial work. How many hours per week does the student work at each jobarrow_forwardThe system of equations {2x+3y=75xy=9} is a system of two equations in the two variables _________ and . To determine whether (5,-1) is a solution of this system, we check whether x=5 and y=1 satisfy each ________ in the system. Which of the following are solutions of this system? (5,-1), (-1,3), (2,1)arrow_forward
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