Integrated Math 2
Midterm Review
HW 3.31
Name: ________________________________
Date: _________________________________
1. Only 5% of the 20 students who signed up to help with the carwash didn’t show up.
How many students did show up?
2. The staff at Cambridge Side Galleria decreased from 40 to 29 employees. What was
the percent decrease in staff?
3. Delia deposited two hundred fifty dollars into a savings account that has a
2% interest rate. If she does not deposit or withdraw any money, how much
will she have in her account after two years?
4. Determine whether the following numbers are: Rational terminating, Rational
recurring, or Irrational.
Rational terminating, rational recurring, or
Irrational?
Number
1.5
-0.145
0.151515…
3.142857
3
π
0.17823306…
5. Simplify the following radical expressions
a)
45
3
b)
1
d) (−35)0 * 25 2
28
8
e) (−3)0 (−3) 4 (−3) −2
c)
27
27
Integrated Math 2
Midterm Review
Continue Simplifying Expressions:
6. 2(x + 3y) + 4x
HW 3.31
Name: ________________________________
Date: _________________________________
7. 3 – 6 (3x + 2y)
8. Rewrite the following numbers in scientific notation:
a) 50,000,000
b) 0.0000712
9. Rewrite the following number in standard notation:
c) 4.33 x 1011
d) 2 x 10-10
10. Determine the unit rate in dollars per hour.
Hours worked
Money Earned
0
$8.25
1
$16.50
2
$24.75
3
$33
4
$41.25
11.
The Empire State building in NYC is 1250 feet tall. Brandon is making a model
of the building for class. In his model 20 ft will equal 1 inch. How tall will his
model be?
Integrated Math 2
Midterm Review
HW 3.31
Name: ________________________________
Date: _________________________________
12. To measure the length of the CCSC Turkey Trot, the students only had a yard
stick. They found it to be 8,800 yards long. How many miles long was the Trot?
(Use 1 yd = 3 ft, and 5280 ft = 1 mi)
 Wh a t a re th e u n its yo u n e e d to g e t fro m ya rd s to m ile s?
_________________ → _________________ → _________________
et up product:
original unit middle unit desired unit
∗
*
1
original unit middle unit
Calculate
Final
Answer (including units)
____________ * _____________ * _____________
13. Determine the value of p in the following triangle given that the two
triangles are similar.
14. How tall is a building if its shadow is 66 feet long and a 100 foot building
next to it has a shadow of 75 feet?