CCSS.Math.Content.8.EE.C.8

What is the solution?

• A
• B
• C
• D

Tags

CCSS.Math.Content.8.EE.C.8

The first step in solving using the substitution method is __________.

• get x by itself
• get y by itself
• get either variable by itself
• add the equations together

Tags

CCSS.Math.Content.8.EE.C.8

Steffen graphed two lines in order to find the solution to a given system of equations.
What is the solution?

• (-3,-8)
• (-8,-3)
• (3,-8)
• (8,3)

Tags

CCSS.Math.Content.8.EE.C.8

Solve:
y = 2x -11
-3y = -6x -15

• (-1.5,-4)
• (1.5,4)
• No solution (parallel lines)
• Infinitely many solutions

Tags

CCSS.Math.Content.8.EE.C.8

Solve the system given:
3x - y = 7
2x + y = 3

• (-1,2)
• (5,4)
• (4,5)
• (2,-1)

Tags

CCSS.Math.Content.8.EE.C.8

CCSS.Math.Content.HSA.REI.C.6

Dennis mowed his next door neighbor’s lawn for a handful of dimes and nickels, 80 coins in all.  Upon completing the job he counted out the coins and it came to $6.60.  How many nickels and dimes did Dennis earn? 

• 40 nickels, 40 dimes
• 52 nickels, 28 dimes
• 28 nickels, 52 dimes
• 30 nickels, 50 dimes

Tags

CCSS.Math.Content.8.EE.C.8

Solve the system

3x - 2y = 2

5x - 5y = 10

• No Solution

• x = -2

• ( 2 , 4 )

• ( -2 , -4 )

Tags

CCSS.Math.Content.8.EE.C.8

Solve the system

y = -x + 8

2x - 5y = 29

• No Solution

• ( 12 , 1 )

• Infinitely many solutions

• ( 12 , -1 )

Tags

CCSS.Math.Content.8.EE.C.8

Solve the system

-2x + 2y = 9

y = 2x + 6

• ( -2/3, -3 )

• ( -3/2 , 3 )

• ( 1/2, 3 )

• ( -3/2, -3 )

Tags

CCSS.Math.Content.8.EE.C.8

Solve the following system of equations. What is the solution?

• (3, -1)

• (-1, -3)

• (-1, -1)

• (-1, 3)

Tags

CCSS.Math.Content.8.EE.C.8