Solving Systems (1)
Decide whether or not the ordered pair satisfies the system of linear equations.
1) (4, -5);
x + y = -1
x-y=9
A) Yes
B) No
2) (-5, -3);
x+y=2
x-y=8
A) Yes
B) No
3) (5, -6);
4x + y = 14
2x + 4y = -14
A) Yes
B) No
4) (4, -1);
2x + y = 9
3x + 2y = 14
A) Yes
B) No
Solve the system of equations by graphing the equations on the same set of axes.
5) y = x - 3
y = 3x - 5
y
10
5
-10
-5
5
10
x
-5
-10
A) (-1, 2)
B) (1, -2)
C) (-2, 1)
D) no solution
6)
2x + y = 4
3x + y = 3
y
10
5
-10
-5
5
10
x
-5
-10
A) (-1, 6)
B) (6, -1)
Solve the system of equations by the substitution method.
7)
x + y = -10
y = 4x
A) (-8, -2)
C) infinite number of solutions
C) (1, -6)
D) no solution
B) (-2, -8)
D) no solution
8)
-3x - 5y = -32
x = -3y
A) (-8, 24)
C) infinite number of solutions
B) (24, -8)
D) no solution
y = 2x + 1
3y - 12x = -9
A) (5, 2)
C) infinite number of solutions
B) (2, 5)
D) no solution
2y = x - 4
4x + 8y = 0
A) (-1, 2)
C) infinite number of solutions
B) (2, -1)
D) no solution
x - 3y = 9
-5x - 4y = 50
A) (-6, -5)
C) (-7, -4)
9)
10)
11)
B) (6, -4)
D) no solution
Answer Key
Testname: EX 16 SYSTEMS 1
1) A
2) B
3) A
4) B
5) B
6) A
7) B
8) B
9) B
10) B
11) A