##### Assessment: Expressions & Equations    due: Week #4

Do not lose this assessment. Do all your math on your own paper. Do not write on this assessment.

```a)  Write an arithmetic expression for the following steps:
Step 1:  add 5 and 3  (sum)
Step 2:  divide the sum by 2

b)  Write an arithmetic expression for the following steps:
Step 1:  multiply 2 and 4  (product)
Step 2:  subtract 5 from the product  (difference)
Step 3:  multiply the difference by 3

c)  Write an algebraic expression for the following.
Step 1:  add 3 and -5x  (sum)
Step 2:  multiply the sum by 4

d)  Write an algebraic expression for the following.
Step 1:  subtract 5 from 2x  (difference)
Step 2:  divide the difference by 3

e)  Write an algebraic expression for the following.
Step 1:  add 1 and x  (sum)
Step 2:  multiply the sum by x  (product)
Step 3:  subtract 3 from the product

f)  Neil is 30 years older than Jethro. Let N represent Neil's age in years.
Write an algebraic expression to represent Jethro's age.

g)  Let x represent the number of points Zelmo has earned in mat091.
Write an inequality for:  Zelmo must get at least 70 points to pass.

h)  HyperPhone Inc. is having 25% off sale. Let P represent the original
price of its UltraHyperPhone product. Write an algebraic expression to
represent the sale price for UltraHyperPhone.

i)  Solve for x:  3x + 4 = 20 - 5x

j)  Solve for x:  2x + 4 > 4x - 8

k)  No or Yes:  3.14 is in the interval  [-2, 4)

l)  Solve for x:  (4/5)x - 15 = 13

m)  Evaluate:  8 / (4n)  when n = -1

n)  Subtract & Simplify:  2(4r + 1) - 3(3r + 5)

o)  Simple interest is given by the formula A = P + Prt.  Where A is the
accrued value of the investment after t years, and P is the starting
principal invested at an annual percentage rate r, expressed as a decimal.
Herb buys a \$2,000 savings bond that earns 4% simple interest each year.
How much will the bond be worth in 12 years?

p)  Simplify:  5 + 4(x - 6)

q)  Evaluate a^2 - 2bc, when a = -3, b = -2, c = 4

r)  Fred's salary is \$500 a month plus 4% of the company's monthly
net income. During May the company net was \$8000, so Fred's salary
for the month of May was what?

s)  Club entrance tickets were \$5 for men and \$4 for women. Write an
algebraic expression to respresent the total cost for M men and
W women to enter the club.

t)  The VoomVoom vacuum cleaner takes 20 minutes to clean a room.
It takes the VoomVoom 2 minutes to get started (warmed up).
How many minutes will it take VoomVoom to vacuum 5 rooms non-stop?
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