Solve the system by graphing. If there isn't a unique solution to the system, state the reason.
A. (1, -4)
B. (4, 1)
C. (1, 4)
D. inconsistent system of equations
Answer: A
You might also like to view...
Solve the problem.A spotlight has a parabolic cross section that is 6 ft wide at the opening and 2.5 ft deep at the vertex. How far from the vertex is the focus? Round answer to two decimal places.
A. 0.26 ft B. 0.21 ft C. 0.52 ft D. 0.90 ft
Multiply.9326 × 0.001
A. 9.326 B. 93.26 C. 9326.00000 D. 9,326,000
Determine whether the argument in the problem below is valid or invalid. If valid, name the type of reasoning and if invalid, determine the error in reasoning.Assume that if a number is odd, then it is not even. ? If a3 is even, then amust be even. a is odd. Therefore, ?a3 is odd. ?
A. invalid; false chain B. invalid; direct C. invalid; indirect D. valid; indirect E. valid; direct
Solve the problem.Mark can remember only the first 5 digits of his friend's phone number. He also knows that the number has 7 digits and that the last digit is not a 0. If Mark were to dial all of the possible numbers and if it takes him 17 seconds to try each one, how long would it take to try every possibility?
A. 25.5 min B. 2.8 min C. 28.3 min D. 5.7 min