Algebraic Substitution

Work out the value of the following expressions when a = 3, b = 4 and c = 5.
2a² + c²   

• 22
• 34
• 68
• 43

Tags

CCSS.6.EE.A.2C

Work out the value of the following expressions when a = 3, b = 4 and c = 5.
3ab

• 10
• 12
• 15
• 36

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

Work out the value of the following expressions when a = 3, b = 4 and c = 5.
2a

• 5
• 6
• 8
• 10

Tags

CCSS.6.EE.A.2C

Evaluate -2x  if     x = 10

• -8
• 20
• -20

Tags

CCSS.6.EE.A.2C

Work out the value of the expression when x = 3, y = – 2 and z = – 4.

y + x – z

• -5

• -3

• 3

• 5

Tags

CCSS.6.EE.A.2C

6h + 30; Solve if h = 6

• 36

• 66

• 96

• 60

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

Work out the value of the following expressions when a = 3, b = 4 and c = 5.
2a² + c²   

• 22
• 34
• 68
• 43

Tags

CCSS.6.EE.A.2C

Work out the value of the expression when a = 3, b = 4 and c = 5.

• 3
• 1   1/3
• 4
• 1/3

Tags

CCSS.6.EE.A.2C

Work out the value of the expression when x = 3, y = – 2 and z = – 4.
2x² + z²   

• 2
• 27
• 50
• 34

Tags

CCSS.6.EE.A.2C

Work out the value of the expression when x = 3, y = – 2 and z = – 4.

• 1
• -1
• 1/5
• -6

Tags

CCSS.6.EE.A.2C