Evaluating and Simplifying Expressions

Simplify by distributing and combining like terms, if necessary: -5(3x - 2y + 10z)

• 15x-10y+50z

• -15x-10y-50z

• -15x-2y+10z

• -15x+10y-50z

Evaluate:

3.5(-8)

• 28

• -28

• -24

• 24

• -21

• 11

• -11

• -5

Simplify by distributing and combining like terms, if necessary:

2 - 2(3x + 7) + 10x

• 10x

• 4x-12

• 16x+16

• 4x+16

Evaluate -11a if a = -1

• 11

• -12

• 12

• -11

Simplify:
2ab * (-25)

• -23ab

• -50ab

• 50ab

• 23ab

Evaluate 7 + j if     j = -2

• -14

• 14

• 5

• 9

Evaluate m² if      m = 5

• 10

• 25

Evaluate 2r + 1      if   r = -3

• -6

• -5

• 7

• -7

Evaluate 2a + 4b 
if a = -10     and    b = 6

• -20

• 4

• 24

• -4