PRACTICE -- Substitution

Solve the system of equations:
y = 4
x + 2y = -24

• one solution (-32, 4)
• one solution (4, -32)
• No solution 

Tags

CCSS.8.EE.C.8B

Solve the system of equations:
x = 2
4x + 2y = 16

• one solution (2, 4)
• one solution (2, 6)
• No solution 
• Infinite solutions 

Tags

CCSS.8.EE.C.8B

Solve for x and y
2x − 3y = −1
 y = x − 1

• (4,3)
• (3,4)
• No solution 
• Infinite solutions

Solve the system by substitution.
2x + 3y = 7
y = 7

• (-7,7) 
• No solution
• (7, -7) 
• Infinite solutions

^{What is the solution?} 

• (1, -1)
• (-1, 1)
• No solution 
• Infinite solutions

If x=5,find the value of 7x-1

• 34
• 36
• 35

Tags

CCSS.6.EE.A.2C

What is the solution to the following system:

^{y = 5x}

^{3x + y = 24}

• ^{(15, 3)}

• ^{(3, 5)}

• ^{(3, 15)}

• ^{(5, 3)}

Tags

CCSS.HSA.REI.C.7

What is the solution to the following system?

^{x = 4y}

^{x - 4y = 0}

• (0, 0)

• no solutions

• infinite solutions

• (4, 0)

Tags

CCSS.8.EE.C.8B

What is the solution to the following system?

^{y = -6x}

^{y = 48}

• infinite solutions

• (-6, 48)

• (-6, -8)

• (-8, 48)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the solution to the following system?

^{y = 2x}

^{x + y = 9}

• (3, 6)

• (2, 9)

• (6, 3)

• no solutions

Tags

CCSS.HSA.REI.C.7