GCA, Simultaneous linear equations

Solve:

3x - y = 11

x + y = 5

• x = 4

  y = 1

• x = 4

  y = -1

• x = -4

  y = 1

• x = -4

  y = -1

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve:

2x + y = 16

4x - y = 2

• x = 3

  y = 10

• x = -3

  y = -10

• x = -3

  y = 10

• x = 3

  y = -10

Tags

CCSS.HSA.REI.C.9

Solve for y
8x + 2y = -10

• y = -8x + 5
• y = -4x - 5
• y = -¹/₄ x - 10
• y = -¹/₄ x - 5

Tags

CCSS.6.EE.C.9

A man is three times as old as his daughter. If the difference in their ages is 36 years, find the age of the father and daughter.

• 20 and 56
• 18 and 54
• 22 and 58
• 15 and 45

Tags

CCSS.8.EE.C.8C

Solve the simultaneous equations

x+y=5

x-y=1

• x=2, y=3

• x=3, y=2

• x=3, y=-2

• x=-3, y=2

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the simultaneous equations

a+b=11

a-b=3

• a=7, b = 4

• a=-4, b= 7

• a=4, b = 7

• a=4, b= -7

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the Simultaneous Equations: a+b= 3; a-b= -7

• a=-2, b = 5
• a=2, b = -5
• a=2, b = 5
• a=-2, b = -5

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Two pencils and a ruler cost 49 cents in total. One pencil and two rulers cost 62 cents in total. Find the cost of each item.

• pencil: 13 cents

  ruler: 23 cents

• pencil: 15 cents

  ruler: 23.50 cents

• pencil: 12 cents

  ruler: 25 cents

• pencil: 18 cents

  ruler: 26 cents

Tags

CCSS.8.EE.C.8C

Solve and find the value of k for the following simultaneous equations:

3h − k = 2

2h + k = 8

• 2

• 4

• 7

• 10

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve this equation

• -3

• -6

• 3

• 6

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7