Algebra Exam: Dawson College, December 16, 2005, Exams of Algebra

The final algebra exam for the academic year 2005 from dawson college. The exam consists of 20 questions covering various topics such as solving equations, inequalities, factoring, graphing lines, and linear systems. The exam also includes problems on depreciation and simplification.

Typology: Exams

2012/2013

Uploaded on 02/12/2013

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NAME: __________________________________
STUDENT I. D. NUMBER: _________________
DAWSON COLLEGE – MATHEMATICS DEPARTMENT
FINAL EXAMINATION ALGEBRA (201-007-50) SECTION 1
Teacher: A. Benghiat December 16, 2005 (14:00-17:00)
This exam has 20 questions on 3 pages for a total of 100 marks. Solve the problems in
the space provided. Use the backs of the pages if more space is required and indicate this
by “Continued on back of page #”. An information sheet is attached on the last page of
the exam.
(Marks)
(4) 1. Solve for x:
(
)
(
)
573254 5xxx−= + .
(4) 2. Solve the inequality for x and graph the solution set.
(
)
(
)
22 5 3 4xx
≤−
(4) 3. Find the distance between the points
(
)
1, 5P
and
(
)
6, 7Q.
(4) 4. Factor completely: 32
32128
x
xx
−+
.
(4) 5. Multiply and simplify:
()
(
)
()
2
2
22423xxx x−+++.
(5) 6. Graph the linear inequality: 3412yx
.
(5) 7. Find the equation of the line passing through the point
(
)
2, 5 and
parallel to the line 3212
y
=.
(5) 8. Solve the linear system: 3211
y
=.
25
x
y
+
=
9. Consider the linear depreciation of a new car, if after 3 years it is worth
$29,000, and after 10 years it is worth $8,000.
(4) (a) Find the linear depreciation equation of the car. [Use (x years, $y)].
(1) (b) Find the original price of this car when new.
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NAME: __________________________________ STUDENT I. D. NUMBER: _________________ DAWSON COLLEGE – MATHEMATICS DEPARTMENT FINAL EXAMINATION ALGEBRA (201-007-50) SECTION 1 Teacher: A. Benghiat December 16, 2005 (14:00-17:00)

This exam has 20 questions on 3 pages for a total of 100 marks. Solve the problems in the space provided. Use the backs of the pages if more space is required and indicate this by “Continued on back of page #”. An information sheet is attached on the last page of the exam.

(Marks)

(4) 1. Solve for x: 5 x − 7 = 3 2( x + 5 ) − 4 ( x − 5 ).

(4) 2. Solve the inequality for x and graph the solution set.

2 2 ( x − 5 ) ≤ 3 ( x − 4 )

(4) 3. Find the distance between the points P ( 1, − 5 ) and Q ( 6, 7).

(4) 4. Factor completely: 3 x^3 − 2 x^2 − 12 x + 8.

(4) 5. Multiply and simplify: ( x − 2 )( x^2 + 2 x + 4 ) + ( 2 x − 3 )^2.

(5) 6. Graph the linear inequality: 3 y − 4 x ≥ 12.

(5) 7. Find the equation of the line passing through the point ( −2, 5 ) and

parallel to the line 3 x − 2 y = 12. (5) 8. Solve the linear system: 3 x − 2 y = 11. 2 x + y = 5

  1. Consider the linear depreciation of a new car, if after 3 years it is worth $29,000, and after 10 years it is worth $8,000. (4) (a) Find the linear depreciation equation of the car. [Use (x years, $y)]. (1) (b) Find the original price of this car when new.

(Marks) (5) 10. Simplify, expressing your answer with positive exponents only:

1 2 3 3 2 4 2

x y

x y

− −^ − −

.

(5) 11. Use long division to find the quotient and remainder if:

( 2 x^3^^ −^3 x^^2 +^5 x^ −^6 ) ÷^ (^ x −^2 ).

(5) 12. Find the 3 sides of a triangle, whose perimeter is 60 cm., if the sides are in the ratio of 4:7:9.

(5) 13. Divide and simplify,

2 2 2 2

x x x x x x

÷

.

(5) 14. Simplify: (^ )^ (^ )

2 2 1 1 (^2 )

x x x x x x

− +

.

(5) 15. Find x for the right triangle given:

( x^ +^8 ) x

( x^ +^4 )

(5) 16. Solve for x: 2 x^2 + 11 x − 6 = 0.

(5) 17. Rationalize the denominator and simplify: 3 3

x x

.

(5) 18. Solve for x and check your solutions: 28 − 3 x^2 = 2 x.