Accuplacer Math College Exam complete
quiz and answers
1. (x^5)(y^−4)(z^−1) / (x^−2)(y^2)(z^−4)
- ANSWER-(x^7)(z^3) / (y^6)
2. A safe has a four digit code, with each digit taking on values 1-5. How many
possible combinations are there for the code?
- ANSWER-5^4, so 625
3. There are 5 combination for the 4 digits that need to be calculated
4. Complementary angles
- ANSWER-Two angles that together form a 90 degree angle - they compliment
each other in their goal to obtain 90 degrees
5. Factor (2x^5)-(2x^4)-(40x^3)
- ANSWER-(2x^3)(x^2-x-20)
6. Find area of rectangle
- ANSWER-
7. Find Circumfrance of Circle
- ANSWER-
8. Find Volume of Rectangle
- ANSWER-
, 9. How do you calculate the determinant of a matrix
- ANSWER-Imagine a 2x2 cube, where
10. top left = a
11. top right = b
12. bottom left = c
13. bottom right = d
14. Determinant == (a/c) - (b/d)
15. How do you determine if 2 lines are parallel?
- ANSWER-Convert to y=mx+b
16. If both x's are the same, it is parallel
17. How do you divide by Negative Exponents?
- ANSWER-
18. If the cosine of an acute angle x in a right triangle is 1/2, what is sin(x)?
- ANSWER-This is relatively epic, because if you know SOHCAHTOA You can
literally figure it out by drawing a right triangle
19. James has $10,000. He puts some of his money in a savings account that yields
1% annually. He invests the rest in bonds that yield 5% annually. If after one
year, James earns a total of $400 from both the savings and bond investment,
how much money did he put in his savings account?
- ANSWER-* 7500 *
20. So, you know the interest is .01 on the saving and .05 on the bonds, profit is set
to 400, so :
21. 400 = .01S + .05B
22. You also know that S + B = 10,000, so:
23. 10,000 = S + B
quiz and answers
1. (x^5)(y^−4)(z^−1) / (x^−2)(y^2)(z^−4)
- ANSWER-(x^7)(z^3) / (y^6)
2. A safe has a four digit code, with each digit taking on values 1-5. How many
possible combinations are there for the code?
- ANSWER-5^4, so 625
3. There are 5 combination for the 4 digits that need to be calculated
4. Complementary angles
- ANSWER-Two angles that together form a 90 degree angle - they compliment
each other in their goal to obtain 90 degrees
5. Factor (2x^5)-(2x^4)-(40x^3)
- ANSWER-(2x^3)(x^2-x-20)
6. Find area of rectangle
- ANSWER-
7. Find Circumfrance of Circle
- ANSWER-
8. Find Volume of Rectangle
- ANSWER-
, 9. How do you calculate the determinant of a matrix
- ANSWER-Imagine a 2x2 cube, where
10. top left = a
11. top right = b
12. bottom left = c
13. bottom right = d
14. Determinant == (a/c) - (b/d)
15. How do you determine if 2 lines are parallel?
- ANSWER-Convert to y=mx+b
16. If both x's are the same, it is parallel
17. How do you divide by Negative Exponents?
- ANSWER-
18. If the cosine of an acute angle x in a right triangle is 1/2, what is sin(x)?
- ANSWER-This is relatively epic, because if you know SOHCAHTOA You can
literally figure it out by drawing a right triangle
19. James has $10,000. He puts some of his money in a savings account that yields
1% annually. He invests the rest in bonds that yield 5% annually. If after one
year, James earns a total of $400 from both the savings and bond investment,
how much money did he put in his savings account?
- ANSWER-* 7500 *
20. So, you know the interest is .01 on the saving and .05 on the bonds, profit is set
to 400, so :
21. 400 = .01S + .05B
22. You also know that S + B = 10,000, so:
23. 10,000 = S + B
