Expressions and Formulas

1.

mc001-1.jpg[32 + (40(mc001-2.jpg42))]

 

 

a.
–824
b.
219
c.
–1648
d.
15

2.

14 mc002-1.jpg 180 mc002-2.jpg 5

 

 

a.
–22
b.
–33.2
c.
–4.9
d.
–161

3.

mc003-1.jpg[20 + (80(mc003-2.jpg39))]

 

 

a.
–3100
b.
–1550
c.
204
d.
30.5

4.

Evaluate the given expression if w = 17, x = 29, y = 48, and z = 8.
w + mc004-1.jpg

a.
17.18
b.
8.11
c.
94.13
d.
46.15

5.

Evaluate the given expression if x = 25, y = 10, w = 11, and z = 18.
(x mc005-1.jpg y)mc005-2.jpg + 10wz

a.
1995
b.
3205
c.
–1755
d.
2205

6.

Find the value of mc006-1.jpg if n = 4, b = 4, and a = 40,000.

a.
156.25
b.
1562.5
c.
2500
d.
10,000

7.

Find the value of mc007-1.jpg ymc007-2.jpg if x = 1000, = 10, and n = 4.

a.
mc007-3.jpg9000
b.
900
c.
990
d.
9000

Answers (highlight below)

  1. A Solve the innermost parentheses and the angular brackets and then divide by 2. 2. 
  2. A First, divide and then subtract the result from 14.
  3. B Solve the innermost parentheses and the angular brackets and then divide by 2.
  4. A Evaluate the expression by replacing each variable with the corresponding number and then applying the order of operations.
  5. D Evaluate the expression by replacing each variable with the corresponding number and then applying the order of operations.
  6. A Find the value of 4 raised to the power of 4. Then, divide a with the value obtained.
  7. A Substitute the values of x, y, and n in the given equation to obtain the value of the given equation.

 

(source)