Systems of Linear Equations Solve by Graph and Substitution

Solve the following system of equations by graphing:

• (4, -4)

• (-4, 4)

• no solutions

• (0, 0)

What is the solution?

• 1

• (-1, 1)

• (1, 1)

• (1, -1)

What is the solution to the system?

• (2, 3)

• (3, 2)

• (-2, -3)

• No Solution

• Yes

• No

What is the value of the x-coordinate to the solution to this system of linear equations? 2x + 3y = 15 and -x + 3y = 3

• 3

• -3

• 6

• 4

What is the solution to this system of equations?

• (4, -1)

• (-1, 4)

• (-4, 1)

• (-4, -1)

When both lines in a system are identical, the system has __________________.

• infinite solutions

• one solution

• no solution

• parallel solutions

What is the solution?

• One Solution

• No solution

• Infinitely Many Solutions

• (0, -1.5)

What is the value of the y-coordinate in this system of linear equations?

6x + 10y = -32 and 6x + 9y = -27

• y = 5

• y = 0

• y = -5

• y = 1

solve by substitution: y=3x+14
y=-4x

• y=3

• y=1

• y= - 2

• y=4