MULTIPLE CHOICES
1. The graph of -3y + 6 = 0 crosses the y axis at _____.
a. -6 b. -2 c. 0 d. 2
2. If 2x + y + 9 and 2x - y = 11, What is the value of x?
a. 4 b. 10 c. 5 d. 20
3. Which of the following pair of questions describes the graph with coinciding lines?
a. x + y = 1 and x - y = 1
b. {3x + 5y = -2x - 4y - 8y = 40
c. 3x - 6y = 10 and x + 2y = 7
d. none of the given choices
4. Which of the following is a system of linear equations in two variables ?
a. 2x - 7y = 8
b. {3x + 5y = -2 x -4 y = 9}
c. {x + 9y = 22 x -3 > 12 }
d. 4x + 1 = 18
5. How many solutions do a consistent and independent system of linear equations have ?
a. 0 b. 2 c. 1 d. infinite
6. How would you describe the graphs of 3x + y = 5 and 2x + y = 9 ?
a. parallel c. coinciding
b. intersecting d. infinite
7. How many solutions does this pair of equation have?
(3x + y = 5 and 2x + y = 9)
a. 1 b. 2 c. 3 d. 4