System of Equations Substitution Practice

-4x - 5y = 21

y = -5

• (2, -5)

• (1, 5)

• (1, -5)

• (5, 1)

y = -3x - 4 -7x + 6y = 1

• (-1, 1)

• No Solution

• (1, 1)

• (-1, -1)

-6x + 4y = -18

y = 7x - 10

• (-1,6)

• (-3,1)

• (-1,6)

• (1,-3)

y = x - 2

5x - 8y = -8

• (8, 6)

• (-6, 1)

• (-1, 6)

• (-1, -6)

y = 3x + 13

y = 2x + 11

• Infinite Solutions

• (7, -6)

• (-2, 7)

• (-6, 7)

When solving a system of equations algebraically, which statement results in infinite solutions?

• 4 = 7

• 2 = 2

• -3 = 3

• all of the above

Solve using substitution:

y = -6x + 5

-2x + y = 5

• (-3, -6)

• (-6, 3)

• (0, 5)

• (-3, 5)

Solve the system by substitution.
 
5x + 4y= −14
y =  −7x  −  15 

• (-2, -1)

• (1, -2)

• (-2, 1)

• (-1, -2)

y = 2x + 1
3x + y = 16

• x = 3

• (2, 7)

• (3, 5)

• (3, 7)

Solve the system:
2x - 5y = 12
y = -2

• y = -2

• (11, -2)

• (1, -2)

• no solution