Algebra Substitutions

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

If p=2 and q= -5, then pq=

• 10

• -10

• 7

• -7

Tags

CCSS.6.EE.A.2C

If a=3, and b= -1, then (ab)² =

• -3

• -9

• 3

• 9

Tags

CCSS.6.EE.A.2C

If x= -4, y=2 and p=3, then (x/y)^p =

• -8

• -1/8

• 1/8

• 8

If x= -3, y=4 and z= 1, evaluate 2x + 3y -5z

• -1

• 13

• -13

• 1

Tags

CCSS.6.EE.A.2C

Given x= -3 and y=2, find 9xy/6

• 9

• 54

• -54

• -9

Tags

CCSS.6.EE.A.2C

If r= -3 and s=0, then (rs)² =

• -3

• 0

• 3

• 9

Tags

CCSS.6.EE.A.2C

If a= -2 and b= -3, then 20 - a + b =

• 15

• 21

• 19

• -19

Tags

CCSS.6.EE.A.2C

If a=4, b= -3 and c=0, then 3a + 3b + 3c =

• -3

• 6

• 3

• -6

Tags

CCSS.6.EE.A.2C

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

• 7

• 8

• 9

• 6

Tags

CCSS.6.EE.A.2C