Systems of Equations

Solving by Graphing

100

The quadrant in which the solution to the following system lies:

y = x + 4
y = 2x + 5

What is II

200

The solution to the system of equations:

y = 3x - 2
y = -x - 2

What is (0, -2)?

300

The solution to the system of equations:

y = -3
x = 5

What is (5, -3)

400

The solution to the system of equations

y = (1/3)x - 3
y = 2x - 8

What is (3, -2)

500

The solution to the system of equations:

y - 3x = 3
y = 3x - 2

What is no solution?

Solving by Elimination

100

The solution to the system of equations:

r + s = -6
r - s = -10

What is (-8, 2)?

200

The solution to the system:

8a + 5b = 9
2a - 5b = -4

What is (0.5, 1)?

300

The solution to the system:

2x + y =5
2x - y = 5

What is (2.5, 0)?

400

The solution to the system

-6x - 4y = 18

6x - 18y = 48

(-1, -3)

500

The solution to the system:

(1/3)x + (1/4)y = 10
(1/3)x - (1/2)y = 4

What is (24, 8)