Algebra Review (17-18)

What is the value of the expression
x² + y² + x - y 
when x = -1 and y = 3

• 6
• 8
• 12
• 16

What is the value of the expression of x if
x = 120(a - b) + 10(ab)
when a = 6 and b = 2

• 300
• 580
• 650
• 600

SOLVE:
(3 + 4)² - 32 

• 7
• 112
• 17
• -7

Evaluate the expression. Let b = 4 & c = 5, what is
bc + b - c?

• 20
• 16
• 18
• 19

Evaluate the expression.  Let a = 4, what is:
5a + 7a - 8

• 48
• 28
• 40
• 35

Evaluate the expression.   Let g = 3 & h = 9, what is
4h + 2g + 4

• 42
• 46
• 34
• 58

Evaluate the expression if a=2 and b=8
6+7b - 3a

• -100
• 100
• -56
• 56

a² means

• a+a
• 2a
• 2+a
• a×a

b⁵ means

• 5b
• b×b×b×b×b
• 5+b
• b+b+b+b+b

Evaluate the expression.
6[(4 + 9) - 3²] ÷ 2

• 21
• 20
• 12
• 9