Lesson 13 Quiz: Systems of Equations substitution

y = -2x + 18
y = 8

• (5, 8)

• (-5, 8)

• (2, 8)

• (-2, 8)

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

• (-2, -1)

• (1, -2)

• (-2, 1)

• (-1, -2)

Solve this system of equations. 
y = 2x + 1
y = 4x - 1

• (1,3)

• (-1,-3)

• (-1,3)

• (3,1)

What is the solution to the system?

• (3, -1)

• (2, -6)

• No Solution

• (6, -2)

What is the solution to this system?

• (1, -1)

• (-1, 1)

• (0, -2)

• (2, 0)

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:

5x - 2y = 3

y = 2x

• (6, 3)

• (1, 2)

• (3, 6)

• (2, 1)

Solve the equation from the video:

y = x + 8

4x - y = -2

• (2,8)

• (2,10)

• (-2,10)

• (-2,-10)

Solve:

y = 7x + 9

2y + 4x = -18

• (5, 0)

• (9, 18)

• (-2, -5)

• (1, 16)

Solve the following systems of equations using substitution:

x = 5

2x + y = 10

• No solution

• (0, 5)

• (5, 10)

• (5, 0)