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TRANSCRIPT
Name: Test 1 MA-‐105 ~ Caraco Match the following number sets with the appropriate description: 1.______ Integers a. 1, 2, 3, … 2. _____ Irrational Numbers b. 0, 1, 2, 3, … 3. _____ Natural Numbers c. … -3, -2, -1, 0, 1, 2, 3, … 4. _____ Rational Numbers d. all numbers that can be expressed as a fraction 5. _____ Real Numbers e. numbers that can NOT be expressed as a fraction 5. _____ Whole Numbers f. set of rational & irrational numbers Perform the indicated operations. 6. -18 – (5 – -3) 7. 6 – (-3)(-2)
8. (-3)2 – 5 9.
�
−4( )−5
−3( )
Perform the indicated operations.
10.
�
14
+ 37
11.
�
135
÷ 2615
Translate the following phrases into mathematical expressions (symbols). 12. The quotient of 3 more than m and m 13. The sum of n and the product of m and 2
Evaluate the following expressions given a = -2, b = 6, and c = -4. 14. 3b + 2a 15. 6⋅(2b + c)
16.
�
2a−bc+a
17. a2 + c
Simplify each of the following expressions.
18. 4x + 3(x + 4) – 3 19. 3x3y4 · 6xy2 20.
�
24a5b 4
12a2b3
Solve the following equations and check your results.
21. 5x – 7 = 4x + 2 22.
�
23x = 12
23. 11x + 8 = 3x 24.
�
x
4+ 3 = 5
25. 6(x + 1) – 4x = 3(x – 2) – 1
Solve for the indicated variable. 26. I = Prt (for t) Solve the following word problems. Be sure to write a clear equation and create a complete solution. 27. The volume, V, of a suitcase is given by the formula V = ℓwh where ℓ is the
length, w is the width, and h is the height. Find the length of the suitcase shown.
28. A bank charges $5.00 per month plus $0.30 per check for a standard checking account. Find
the number of checks Justin wrote if he paid $8.30 in fees last month. 29. Joe drove 405 miles in 7 hours. He drove at a rate of 55 miles per hour during the first part
of the trip and 60 miles per hour during the second part. How many hours did he drive at a rate of 55 miles per hour?
30. Christian has read 1001 pages out of the 1456 pages of Tolstoy’s War and Peace. What
percent of the novel has he read?
Solve and graph the solution set of each of the following inequalities. 31. 3x > 6 32. 5x – 3 < 3x + 9 33. -5x + 5 ≥ 20 34. 5(x + 7) < 8x + 5
Name: Test 2 MA-‐105 ~ Caraco Classify each of the following as a monomial, binomial, trinomial or polynomial: 1. x2 + 3x – 8 2. 5x2y 3. 8x5 -‐ x2 _________________________________
_________________________________
_________________________________
Rewrite each of the following in standard form: 4. x3 + 2x5 – 8x 5. x2 – 2x + 1 6. x2 + 2x – 8 + x3 _________________________________
_________________________________
_________________________________
Simplify each of the following exponential expressions: 7. x5 · x7 8. x11 ÷ x5 9. (x4)3 _________________________________
_________________________________
_________________________________
10. (3x5)2
11. (3m2n)0
12. (ab2)3·(4a3)2
_________________________________
_________________________________
_________________________________
13.
�
x
3⎛ ⎝ ⎜
⎞ ⎠ ⎟
2
=____________________
14.
�
x5
x2=____________________
Express the following without using negative exponents: 15. x-‐3 16. (3x)-‐2 17. (x-‐2)3 _________________________________
_________________________________
_________________________________
18.
�
1x −4
=
__________________________________
19.
�
a−2b3
b−4 =
________________________________ Given the polynomial, identify the degree and the leading coefficient (HINT: Should be written in standard form) 20. 7x2 – 2x5 + 3 degree: ______________ leading coefficient: ________________
Simplify the following expressions: 21. (x3 + 2x2 – x) + (3x2 – 3x – 5) 22. x2 + 2x – 1
– 3x – 5
Multiply each of the following: 23. 7x(2x3 – 4x2 + 2) ___________________________________
24. 5r + 7 • r – 9 ___________________________________
25. (2x – 5)2 ___________________________________
26. 3x + 1 • 3x – 1 ___________________________________
Divide each of the following. State a remainder, if appropriate: 27. (9r2s3 – 18r3s2 + 3rs2) ÷ (3rs2) ______________________________
28. (x2 – 10x + 9) ÷ (x – 1) ______________________________
29.
�
x +1 x3 + 3x2 + 3x +1)
______________________________
30.
�
x + 2 2x2 + 5x −3)
______________________________
Write the expression in standard notation: 31. 1.34 x 106
____________________________________________
Write the expression in scientific notation: 32. 0.004310
____________________________________________
Factor the following polynomials (by grouping): 33. 2x(x + 1) – 3(x+1)
34. x3 – 4x2 + 2x – 8
Factor the following polynomials (with a leading coefficient of 1): 35. x2 – 5x – 14
36. x2 – 5x + 6
37. x2 + 7x + 6
38. x2 + 11x – 26
Factor the following (special) polynomials: 39. x2 – 9 40. 9x2 – 1
41. x2 + 8x + 16 42. x2 – 6xy + 9y2
Factor (completely) each of the following mixed polynomials: 43. x2 – 5x + 14 44. x2 – x – 42 45. 2x2 + 11x + 15
46. x2 – 9
47. 4x2 – 8x + 4 48. 3x2 – 10x + 7
49. 6x3 + 18x2
50. 2x3 – 8x2 – 4x + 16
51. 2x3 + 2x2 -‐ 40x
Solve each of the following quadratic equations: 52. (x + 3)(x – 1) = 0 x = _______________________________________
53. (x + 4)(3x – 2) = 0 x = _______________________________________
54. x2 – 9x = 0 x = _______________________________________
55. x2 + 4x = 32 x = _______________________________________
Name: Test 3 MA-‐105 ~ Caraco 1. Given 3x + y = 6, determine which ordered pairs are solutions to the linear equation.
Write “yes” or “no” to indicate whether it would or would not be a solution. a. (2, 0)
b. (-‐1, 3)
c. (0, 6)
2. Complete the ordered pairs so that each is a solution for the equation 2x – 3y = 12. a. (6, )
b. ( , 4)
c. ( , -‐2)
3. Plot the following points on the given graph. Be sure to label the scale on your axes.
a. (1,-‐3)
b. (2,4)
c. (0, -‐2)
4. Identify the coordinates of the points and
identify the quadrant that each point lies in. a._________ ____________ b._________ ____________ c._________ ____________
a •
• •
b c
6. For each of the following, find the slope. a. Of the line through (1, 1), (4, 3) b. Of the line through (3, -‐2), (3, 3)
c. (y – 3) = -‐2(x + 1) d. 3x – 2y = 6
e.
f.
7. Given the following equations:
i.
�
y = 5x + 3 ii.
�
y = −5x + 1 iii.
�
y = 15x − 2 iv.
�
y = − 15x − 1 v.
�
y = 5x − 3
a. List all pair(s) of equations that represent parallel lines? Explain your answer.
b. List all pair(s) of equations that represent perpendicular lines? Explain your answer.
8. Given the function f(x) = 3x2 + 2x – 4
a. Evaluate f(1) b. Evaluate f(-‐2)
c. Evaluate f(0) d. Evaluate f()
9. Write the equation of the line with the stated attributes in the specified form:
a. slope of -‐2 and passing through the point (3, 1); in slope-‐point form
b. slope of 1 and a y-‐intercept of (0, 3); in slope-‐intercept form
c. an x-‐intercept of (4, 0) and a y-‐intercept of (0, 2); in standard form
10. Write the equation of the line (in any form) that meets the specified conditions: a. Parallel to the line y = -‐2x + 3 and passing through the point (3,1)
b. Perpendicular to the line y = -‐2x + 3 and passing through the point (3,1)
c. Passing through the points (1, 3) and (3, 7)
11. Write the equation or inequality of the following graphs: a.
b.
12. Graph the following linear inequalities
a.
�
y > 34x − 4
b.
�
y − 2( ) ≤ −1 x − 3( )
c.
�
3x − 2 y ≥ 6
Name: Test 4 MA-‐105 ~ Caraco Solve the system of equations by graphing: 1. 2x – y = 4 x + y = 5 __________________________ 2. 2x + 3y = 2 -‐2x + y = -‐2 __________________________ 3. y = 2x + 1 -‐2x + y = 1 __________________________
Solve the system of equations by addition method: 4. x + 5y = 15 5. 2x – 6y = -‐2 -‐x – 3y = -‐13 4x – 6y = 8 __________________________ __________________________ Solve the system of equations by substitution: 6. y = 4 – 2x 7. x – y = 3 x + y = 8 2x + 2y = 2 __________________________ __________________________ Rewrite the expression using rational exponent notation:
8.
�
53 9.
�
−2( )35 10.
�
− 83
__________________________ __________________________ __________________________ Rewrite the expression using radical notation:
11.
�
437 12.
�
− 714
⎛
⎝ ⎜ ⎞
⎠ ⎟ 13.
�
−6( )23
__________________________ __________________________ __________________________
Evaluate the following without a calculator:
14.
�
4( )3
15.
�
8( )23 16.
�
− −27( )23
__________________________ __________________________ __________________________ Simplify the expression:
17.
�
50 18.
�
3 ⋅ 15 19.
�
9 y 3 __________________________ __________________________ __________________________
20.
�
1625
21.
�
79 22.
�
52
⎛
⎝ ⎜
⎞
⎠ ⎟
2
__________________________ __________________________ __________________________ Simplify the expression by rationalizing the denominator:
23.
�
33 24.
�
45 25.
�
57x
__________________________ __________________________ __________________________
Find the sum or difference of the following expressions:
26.
�
2 54 + 5 54 27.
�
3 7 − 28 28.
�
4 12 − 27 __________________________ __________________________ __________________________ Find the product or quotient of the following expressions:
29.
�
5 ⋅ 2 + 20( ) 30.
�
3 + 2( ) ⋅ 2 − 2( ) 31.
�
3− 5( )2
__________________________ __________________________ __________________________ Solve the following radical equations:
32.
�
2 x −83 = 4 33.
�
2x + 5 + 1 = 4 34.
�
4x + 5 = 7 __________________________ __________________________ __________________________ Find the missing side length on the following right triangles. Answers should be in simplest, radical form: 35. 36.
___________________ ___________________
Name: Quiz #5 MA-‐105 ~ Caraco Solve the quadratic equations by factoring: 1. x2 – 8x + 12 = 0 2. x2 – 7x – 8 = 0 3. x2 + 6x + 10 = 1 4. x2 = 9 Solve the quadratic equations by taking square roots: 5. x2 = 4 6. (x + 1)2 = 16 7. 2(x – 3)2 + 6 = 10 8. -‐3(2x – 1)2 + 12 = -‐3 Solve the quadratic equations by completing the square: 9. x2 – 10x + 9 = 0 10. x2 + 4x – 10 = 2 11. x2 + 7x – 8 = 0 12. x2 – 8x + 18 = 0 Solve the quadratic equations by using the quadratic formula: 13. x2 + 5x – 14 = 0 14. 2x2 – 5x + 13 = 0