Solving linear system of equation

which is a solution to this system?

• (1,2)
• (-1,2)
• (-5,-7)
• (0,0)

Tags

CCSS.HSA.REI.D.12

what is the first step in the substitution method?

• Step 2
• isolate one of the variables in one of the equations
• substitute in the value of the isolated variable into the other equation

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

solve by substitution: y=3x+14
y=-4x

• y=3
• y=1
• y=2
• y=4

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

solve by elimination: x+2y=13
-x+y=5

• (0,0)
• (1,6)
• (2,5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

solve by elimination: x+2y=13
-x+y=5

• (0,0)
• (1,6)
• (2,5)

Solve the system of equations by graphing.
y = -4x + 5
y =  3x - 16

• (-3, -25)
• (3,-7)
• (11, 17)
• (21, 47)

Tags

CCSS.8.EE.C.8B

What is the solution?

• (1, -1)
• (-1, 1)
• (0, -2)
• (0, 1)

Tags

CCSS.8.EE.C.8A

Solve the system of equations.
y = 4x+1
3x + 2y = 13

• (1, 5)
• (5, 1)
• (0.25, 2)
• ∅

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the solution to the system?
8x + 4y = 12
y = -2x + 3

• (0,3)
• (3,0)
• No solution(parallel lines)
• Infinitely many solutions

Tags

CCSS.8.EE.C.8B

Solve for x and y
3x + 2y = 16
7x + y = 19

• (-2,5)
• (-2,-5)
• (2,-5)
• (2,5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6