MATH PLACEMENT EXAM PROBLEMS GEORGIA STATE
UNIVERSITY UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS
Question:
1. Part 1
Answer:
Part 1
Question:
2. Simplify
(2a^3b)^-3
Answer:
(2^-3 * a^(3 *-3) * b^-3)
2^-3 a^-9b^-3
1/8a^9b^3
Question:
3. Simplify
(-4x^2y^-3)^-2
Answer:
*y^6/16x^4*
Question:
4. Simplify
Radical 1/64
Answer:
Radical 1/Radical 64
1/8
Question:
5. ^3 Radical -27
Answer:
*-3*
Question:
6. Complex numbers:
Answer:
Complex numbers
Question:
7. Find x and y such that the following is correct:
3x + 5yi= 15 + 5i
, Answer:
3x + 5yc= 15 + 5c
3x=15 and 5yc=5c
*x=5 and y=1 *
Question:
8. Find x and y such that the following is correct:
10x -4yi = 20 + 1/2i
Answer:
10x - 4yc = 20 + 1/2x
*x=2 and y=-1/8*
Question:
9. Simplify
Radical 27 - 18
Answer:
Radical 27 - 18
Radical 9
*3*
Question:
10. Simplify
Radical -1/25
Answer:
*i/5*
Question:
11. Complex Numbers and Exponents
Answer:
Complex Numbers of Exponents
Question:
12. Simplify
i^15
Answer:
i^15
(i^3)^5
-i^5
-(i^3 * i^2)
-(i * -1)
*-i*
Question:
13. Simplify
i^47
Answer:
*-i*
UNIVERSITY UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS
Question:
1. Part 1
Answer:
Part 1
Question:
2. Simplify
(2a^3b)^-3
Answer:
(2^-3 * a^(3 *-3) * b^-3)
2^-3 a^-9b^-3
1/8a^9b^3
Question:
3. Simplify
(-4x^2y^-3)^-2
Answer:
*y^6/16x^4*
Question:
4. Simplify
Radical 1/64
Answer:
Radical 1/Radical 64
1/8
Question:
5. ^3 Radical -27
Answer:
*-3*
Question:
6. Complex numbers:
Answer:
Complex numbers
Question:
7. Find x and y such that the following is correct:
3x + 5yi= 15 + 5i
, Answer:
3x + 5yc= 15 + 5c
3x=15 and 5yc=5c
*x=5 and y=1 *
Question:
8. Find x and y such that the following is correct:
10x -4yi = 20 + 1/2i
Answer:
10x - 4yc = 20 + 1/2x
*x=2 and y=-1/8*
Question:
9. Simplify
Radical 27 - 18
Answer:
Radical 27 - 18
Radical 9
*3*
Question:
10. Simplify
Radical -1/25
Answer:
*i/5*
Question:
11. Complex Numbers and Exponents
Answer:
Complex Numbers of Exponents
Question:
12. Simplify
i^15
Answer:
i^15
(i^3)^5
-i^5
-(i^3 * i^2)
-(i * -1)
*-i*
Question:
13. Simplify
i^47
Answer:
*-i*