The system of equations y = -3x + 5 and y = -3x - 7 has
Answer
Exactly one solution
No solution
Infinitely many solutions
Exactly two solutions
Question 2
Question
To solve the system of equations 5x + 3y = 9 and 4x + y = 8, which expression could be substituted for y into the first equation?
Answer
12x - 3y
4x - 8
-3/5x + 3
8 - 4x
Question 3
Question
Solve the system of equations 5x + 2y = 1 and y = 1 - 3x
Answer
(1, -2)
(1, 2)
(0, 1/2)
(-2, 1)
Question 4
Question
To furnish a cafeteria, a school can spend $5200 on tables and chairs. Tables cost $200 and chairs cost $40. Each table will have 8 chairs around it. How many tables and chairs will the school purchase?
Answer
20 tables and 160 chairs
10 tables and 80 chairs
5 tables and 40 chairs
30 tables and 240 chairs
Question 5
Question
Solve the system of equations x + 3y = 12 and 5x + y = 4
Answer
(4, 0)
(0, 4)
(0, -4)
(-4, 0)
Question 6
Question
The system of equations y = 2x - 3 and y = 4x - 3 has