Name: 
 

Unit 2-2: Solving Equations Applications


Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 
The distance a car travels can be found using the formula  mc001-1.jpg,  where d is distance, r is the rate of speed, and t is time.  How many miles does the car travel, if it drives at an average speed of 70 miles per hour for mc001-2.jpg of an hour?

a.
35 miles
c.
105 miles
b.
70 miles
d.
140 miles
 

 2. 
A person borrows money from a friend and they decide to use a simple interest formula. mc002-1.jpg where I is the interest in dollars,  P is the principle (original money loaned) in dollars, R is the interest rate, and T is the time in years.  If the person borrowed $3000 for 3 years at a rate of 2%, how much interest will they owe for the loan?

a.
$30
c.
$300
b.
$180
d.
$360
 

 3. 
Three less than twice a number is 15.  What is the number?

a.
mc003-1.jpg
c.
mc003-3.jpg
b.
mc003-2.jpg
d.
mc003-4.jpg
 

 4. 
Which equation represent:
“Twice the sum of a number and three is seven.”

a.
mc004-1.jpg
c.
mc004-3.jpg
b.
mc004-2.jpg
d.
mc004-4.jpg
 

 5. 
Which equation represent:
“Seven times the differene of a  number and ten is equal to the same number increased by 2.”

a.
mc005-1.jpg
c.
mc005-3.jpg
b.
mc005-2.jpg
d.
mc005-4.jpg
 

 6. 
Mark is 3 less than 4 times as old as Tim.  Together their ages total 42.   How old is Tim?

a.
3
c.
24
b.
9
d.
33
 

 7. 
Find the length of the longest side of the triangle if the perimeter is 23.

mc007-1.jpg
a.
3 units
c.
12 units
b.
4 units
d.
18 units
 



 

Check Your Work     Start Over