# Order Of Operations

## When to do what

Question Number 1
SAT PROBLEM
#1 in a 25 problem section

(3+4)2=

• (2*3)  +(2*4)
• 32+42
• 52
• 72
• 32*42
( Saturday/5.2002 #1) p. 675*
 Toggle Answer D) 72 Parentheses always come first! (3+4) 2=(7)2

Question Number 2
SAT PROBLEM
#4 in a 10 problem section

If x = -2 and y = -3, what is the value of x 2(x-y)?

• -20
• -4
• 4
• 8
• 20
( Saturday/5.2002 #1) p. 675*
 Toggle Answer C) 4 (-2) 2(-2 - -3 ) =(2) 2(-2+3 ) (2) 2(1 ) 4(1)= 4 Know how to apply the order of operations as well keep your negative signs straight.

Question Number 3
REGENTS PROBLEM
#3 in a 25 problem section

If the expression is evaluated, what would be done last ?

(1) subtracting  (3) adding

(2) squaring   (4) dividing

(A)
 Toggle Answer Answer: (3) Adding 3-16+ 3 13+3 = > 16

Question Number 4
REGENTS PROBLEM
The expression 15 – 3[2 + 6(–3)] simplifies to

(1) –45   (3) 63

(2) –33   (4) 192

(A)

 Toggle Answer Answer (3) 6315-3[2-18] 15-3[2-18] 15-3[-16] 15+48 =63