Linear equations (two variables)

Which of the following is a solution of the pair of equation,

3x + 2y = 20 and

6x - 5y = 4

( 1 mark )

• x = 2 , y = 1

• x = 4 , y = 4

• x = 6 , y = 7

• x = 5 , y = 3

Tags

CCSS.HSA.REI.C.9

Solve the following system of equations for x:
 4x + y = 11
x + y = 2

• -1
• 2
• 3
• 27

Tags

CCSS.HSA.REI.C.9

What is the solution to this system of linear equations?

x + y = 4

x - y = 6

• $\left(4,6\right)$

• $\left(6,4\right)$

• $\left(5,\ -1\right)$

• $\left(-1,\ 5\right)$

Tags

CCSS.HSA.REI.C.9

Which value of y satisfies the system of equations?
x-2y=1
x+4y=7 

• 1
• -1
• 3
• 4

Tags

CCSS.HSA.REI.C.9

Tags

CCSS.HSA.REI.C.9

• (2, 3)

• (5, 3)

• (4, 5)

Tags

CCSS.HSA.REI.C.9

• That's it  - that's the answer - piece of cake!

Tags

CCSS.HSA.REI.C.9

Solve the system.  Write the matrix equation on your own paper.
5x + 8y = -12
3x + 5y = -7

• (1, -10)
• No solution
• (-4, 1)
• (1, 10)

Tags

CCSS.HSA.REI.C.9

What is the solution for this system?

5x - 3y = -2

y=4

• (-2,-4)

• (4,2)

• (-2,4)

• (2,4)

Tags

CCSS.HSA.REI.C.9

Find the solution to the equation:

2x-3y=20

-2+y=4

• (1,6)

• (6,1)

• (-1,6)

• (3,5)

Tags

CCSS.HSA.REI.C.9