A First Course in Linear Model Theory 2nd Edition Nalini
Ravishanker Zhiyi Chi Dipak Dey Examination Questions with
Correct Answers (Grade A+)
Question 1: Determine if the solution set for the system of equations shown is the empty set, contains
one point or is infinite. x + y = 4 x - y = 0 {} 1 solution infinite
Answer: 1 solution
Question 2: Determine if the solution set for the system of equations shown is the empty set, contains
one point or is infinite. x - y = 5 2x + y = 1 {} 1 solution infinite
Answer: 1 solution
Question 3: Determine if the solution set for the system of equations shown is the empty set, contains
one point or is infinite. x + y = 5 x + y = 7 {} 1 solution infinite
Answer: {}
Question 4: Determine if the solution set for the system of equations shown is the empty set, contains
one point or is infinite. 3x + 2y = 6 x - y = 2 {} 1 solution infinite
Answer: 1 solution
Question 5: Determine if the solution set for the system of equations shown is the empty set, contains
one point or is infinite. 2x - y = 7 2y = 4x - 14 {} 1 solution infinite
Answer: infinite
Question 6: Which of the following points is a solution to the system of equations shown? 4x + y = 1 y =
x + 6 (5, -1) (0, 6) (-1, 5)
Answer: (-1, 5)
Question 7: Which of the following points is a solution to the system of equations shown? y - x = -1 x +
y = -5 (-3, -2) (-6, 1) (-2, -3)
Answer: (-2, -3)
Page 1
Ravishanker Zhiyi Chi Dipak Dey Examination Questions with
Correct Answers (Grade A+)
Question 1: Determine if the solution set for the system of equations shown is the empty set, contains
one point or is infinite. x + y = 4 x - y = 0 {} 1 solution infinite
Answer: 1 solution
Question 2: Determine if the solution set for the system of equations shown is the empty set, contains
one point or is infinite. x - y = 5 2x + y = 1 {} 1 solution infinite
Answer: 1 solution
Question 3: Determine if the solution set for the system of equations shown is the empty set, contains
one point or is infinite. x + y = 5 x + y = 7 {} 1 solution infinite
Answer: {}
Question 4: Determine if the solution set for the system of equations shown is the empty set, contains
one point or is infinite. 3x + 2y = 6 x - y = 2 {} 1 solution infinite
Answer: 1 solution
Question 5: Determine if the solution set for the system of equations shown is the empty set, contains
one point or is infinite. 2x - y = 7 2y = 4x - 14 {} 1 solution infinite
Answer: infinite
Question 6: Which of the following points is a solution to the system of equations shown? 4x + y = 1 y =
x + 6 (5, -1) (0, 6) (-1, 5)
Answer: (-1, 5)
Question 7: Which of the following points is a solution to the system of equations shown? y - x = -1 x +
y = -5 (-3, -2) (-6, 1) (-2, -3)
Answer: (-2, -3)
Page 1