Systems of Equations: Graphing & Substitution

What is the solution?

• (1, -1)

• (-1, 1)

• (0, -2)

• (0, 1)

If a system of linear equations has one solution, what does this mean about the two lines? 

• Parallel lines

• the same line 

• Intersecting lines

Determine if (4, 1) is a solution for the system of equations.
y = -x + 5
y = 2x - 7

• yes

• no

What is the solution?

• (6, 3)

• (3, 6)

• (-6, 3)

• No solution

What is the solution to the system?

• (0, 3)

• (1, -1)

• (-3, 1)

• (1, 3)

^{What is the solution?} 

• 1

• -2

• (1, 2)

• (1, -1)

Solve the system of equations.
y = 4x+1
3x + 2y = 13

• (1, 5)

• (5, 1)

• (0.25, 2)

• ∅

Solve the following systems of equations using substitution:

x = 6

y = 2x - 3

• (6, 6)

• (6, 9)

• (9, 6)

• (9, 9)

Solve the following systems of equations using substitution:

y = 3 - x

3y + x = 5

• No solution

• (1, 2)

• (3, 0)

• (2, 1)

Solve for x and y by using the substitution method.

3x + 2y = 16

y = -7x + 19

• (-2,5)

• (-2,-5)

• (2,-5)

• (2,5)