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Math Survey #4 Part 2?

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21: If the length of the rectangle is (9x + 3) units and the width is 3x units, find the perimeter.

12x + 3

24x + 6

27x2 + 9

36x + 12

22: Which best describes the graph of x = 5?

horizontal line

slanted line

vertical line

parabola

23: What is the solution set to this system?

2x - y = 4

6x - 3y = -18

(2, 3)

(1, 1)

(1, -5)

no solution

24: A freight train leaves a station travelling a constant speed of 30 miles per hour (mph). A passenger train leaves at the same time and travels at a constant speed of 35 mph. In how many hours will the trains be 15 miles apart? (set up a grid and use the formula d = r t)

3 hours

4 hours

5 hours

6 hours

25: What is the solution to this system?

y = 2x - 3

x + 2y = 14

(-1, 2)

(4, 5)

(8, 6)

no solution

26: Simplify:

(x3 + 4x2 - 2x + 5) - (3x3 - 3x2 + x - 2) =

x3 + 3x2 + 3x + 1

x3 + 3x2 + 3x + 1

-2x3 + 7x2 - 3x + 7

2x3 - 8x2 - 8x + 11

27: Solve for x:

2x2 + 3x - 1 = 0

(-5 ± √13) / 2

(-7 ± √13) / 4

(-3 ± √17) / 2

(-3 ± √17) / 4

28: What's missing in this factorization?

x2 + 7x + 10

(x + 2)(____)

x + 5

5x + 6

x + 1

2x - 5

29: Solve for y.

3(y − 4) = 4y + 2 − y

0

1

-4

no solution

30: What is the y-intercept of 3x - 2y = 0?

0

-1/2

1

1/3

31: Find the slope of the line through (-2, -3) and (3, -3).

1

0

-3

undefined

32: Simplify:

(-1/2) - (-1/3) =

-1/6

5/12

-5/6

-1/2

33: What is the distance between the origin and the point (-4, -5)?

√52

4√2

√41

2√2

34: What is the slope of the line 3x + 5y = 15?

5/3

-1/4

4.6

-3/5

35: Simplify:

25x2 + 10x + 1

--------------------------------------...

12x − 18 x 10x − 15

--------------------------------------...

25x2 - 1

(5x2 + x − 1) / 3

[5(5x + 1)] / [6(5x - 1)]

(25 - 2x) / [3(x - 3)]

(5x2 + x + 1) / 3

36: Angles A and B are supplementary angles because their sum is 180 degrees. The measure of angle A is ten less than 4 times the measure of angle B. Find the measure of angle B?

45 degrees

38 degrees

142 degrees

36 degrees

37: Multiply:

(3x - 1)(2x2 + 5x - 8) =

3x3 - 3x2 + 2x + 9

6x3 + 13x2 - 29x + 8

2x3 - 8x2 - 8x + 11

6x2 + 18x + 9

38: Evaluate:

32 + 5a0 =

14

1

11

10

39: Simplify:

3 / (2 - √11)

5 + √11

2√3

-2/7

-[3 (2 + √11 ] / 7

40: Solve the inequality for x: -9x - 3 > -12

x < 1

x < -1

x > 1

x > -1

41: Simplify:

√15 · √3 + √15 · 2√5 =

6√2

19 − 13√2

3√5+ 10√3

23 + 4√15

42: Simplify:

(-15x2y-3) ÷ (3x-4y2) =

-5x / y

1 / (5x2y)

-5x2y

(-5x6) / y5

43: Simplify:

2x + 1

--------------------------------------...

x - 1

--------------------------------------...

x2

--------------------------------------...

x + 4

--------------------------------------...

x + 3

--------------------------------------...

x2

(2x - 1) / (x + 3)

(25 - 2x) / [3(x - 3)]

(x + 1) / (x - 1)

(x2 + y2) / (x2y2)

44: Solve the equation for y: 4x + 2y = 10

y = (4x + 10)/2

y = (4x - 10)/2

y = -2x + 5

None of the above

45: For a right triangle ABC with right angle C, if BC = 5 and AB = 6, what is the length of AC in simplified form?

√11

4√2

2√3

3

46: What is the equation of the line through points (-2, -1) and (2, -6)?

y = (3/2) x + 1

y = (½) x - 1

y = (-5/4) x - (7/2)

y = -2x + 3

47: Name the property that makes this statement true

7(5 − 2) = 7(5) − 7(2) =

Distributive Property

Associative Property

Commutative Property

Addition Equality

48: Simplify:

√-9 =

3

-3

2

not a real number

49: Simplify this rational expression:

(x2 + 10x + 25) / (5x + x2) =

[5(5x + 1)] / [6(5x - 1)]

(x + 5) / x

(x - 1) / (x + 1)

x / 15

50: Multiply:

(2x + 3)(x + 5) =

2x2 + 13x + 15

2x2 + 5x + 3

x2 + 3x + 2

2x2 - 3x - 10

51: Simplify:

√243a + √147a + √72a3b2

13√3a + 6ab√2a

16√3 + 6ab√2a

13√3a + 3ab√2a

16√3a + 6ab√2a

52: Simplify:

x

--------------------------------------...

x + 3 + 1

--------------------------------------...

x - 1 = 4

--------------------------------------...

x2 + 2x - 3

4

1

-1

no solution

53: 32 is what percent of 40?

80%

75%

62%

88%

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5 ANSWERS


  1. u crazy thinking people will answer those things.. ok

    #21 is A

    and i g2g


  2. 52.  No solution

    I think that sums it up.

  3. DO ur own homework u freeloader! the time u wasted typin all dat stuff up coulda been spent ACTUALLY solving them

  4. DO YOUR OWN HOMEWORK!  Just because you call it a survey doesn&#039;t mean you&#039;re fooling anyone!  If you&#039;ve got time to type all this up, then you&#039;ve got time to do the work.  Don&#039;t be lazy.

  5. 21: If the length of the rectangle is (9x + 3) units and the width is 3x units, find the perimeter.

    12x + 3

    24x + 6  This one

    27x2 + 9

    36x + 12

    22: Which best describes the graph of x = 5?

    horizontal line

    slanted line

    vertical line  This one

    parabola

    23: What is the solution set to this system?

    2x - y = 4

    6x - 3y = -18

    (2, 3)

    (1, 1)

    (1, -5)

    no solution This one

    24: A freight train leaves a station travelling a constant speed of 30 miles per hour (mph). A passenger train leaves at the same time and travels at a constant speed of 35 mph. In how many hours will the trains be 15 miles apart? (set up a grid and use the formula d = r t)

    3 hours

    4 hours

    5 hours This one

    6 hours

    25: What is the solution to this system?

    y = 2x - 3

    x + 2y = 14

    (-1, 2)

    (4, 5) This one

    (8, 6)

    no solution

    26: Simplify:

    (x3 + 4x2 - 2x + 5) - (3x3 - 3x2 + x - 2) =

    x3 + 3x2 + 3x + 1

    x3 + 3x2 + 3x + 1

    -2x3 + 7x2 - 3x + 7 This one

    2x3 - 8x2 - 8x + 11

    27: Solve for x:

    2x2 + 3x - 1 = 0

    (-5 ± √13) / 2

    (-7 ± √13) / 4

    (-3 ± √17) / 2

    (-3 ± √17) / 4 This one

    28: What&#039;s missing in this factorization?

    x2 + 7x + 10

    (x + 2)(____)

    x + 5 This one

    5x + 6

    x + 1

    2x - 5

    29: Solve for y.

    3(y − 4) = 4y + 2 − y

    0

    1

    -4

    no solution This one

    30: What is the y-intercept of 3x - 2y = 0?

    0 This one

    -1/2

    1

    1/3

    31: Find the slope of the line through (-2, -3) and (3, -3).

    1

    0 This one

    -3

    undefined

    32: Simplify:

    (-1/2) - (-1/3) =

    -1/6 This one

    5/12

    -5/6

    -1/2

    33: What is the distance between the origin and the point (-4, -5)?

    √52

    4√2

    √41 This one

    2√2

    34: What is the slope of the line 3x + 5y = 15?

    5/3

    -1/4

    4.6

    -3/5 This one

    35: Simplify:

    25x2 + 10x + 1

    --------------------------------------...

    12x − 18 x 10x − 15

    --------------------------------------...

    25x2 - 1

    (5x2 + x − 1) / 3

    [5(5x + 1)] / [6(5x - 1)]

    (25 - 2x) / [3(x - 3)]

    (5x2 + x + 1) / 3

    Can&#039;t read the fractions here

    36: Angles A and B are supplementary angles because their sum is 180 degrees. The measure of angle A is ten less than 4 times the measure of angle B. Find the measure of angle B?

    45 degrees

    38 degrees This one

    142 degrees

    36 degrees

    37: Multiply:

    (3x - 1)(2x2 + 5x - 8) =

    3x3 - 3x2 + 2x + 9

    6x3 + 13x2 - 29x + 8 This one

    2x3 - 8x2 - 8x + 11

    6x2 + 18x + 9

    38: Evaluate:

    32 + 5a0 =

    14

    1

    11

    10

    Don&#039;t know what to do here

    39: Simplify:

    3 / (2 - √11)

    5 + √11

    2√3

    -2/7

    -[3 (2 + √11 ] / 7 This one

    40: Solve the inequality for x: -9x - 3 &gt; -12

    x &lt; 1 This one

    x &lt; -1

    x &gt; 1

    x &gt; -1

    41: Simplify:

    √15 · √3 + √15 · 2√5 =

    6√2

    19 − 13√2

    3√5+ 10√3

    23 + 4√15

    None of the above

    42: Simplify:

    (-15x2y-3) ÷ (3x-4y2) =

    -5x / y

    1 / (5x2y)

    -5x2y

    (-5x6) / y5

    None of the above

    43: Simplify:

    2x + 1

    --------------------------------------...

    x - 1

    --------------------------------------...

    x2

    --------------------------------------...

    x + 4

    --------------------------------------...

    x + 3

    --------------------------------------...

    x2

    (2x - 1) / (x + 3)

    (25 - 2x) / [3(x - 3)]

    (x + 1) / (x - 1)

    (x2 + y2) / (x2y2)

    Can&#039;t read the fractions.

    44: Solve the equation for y: 4x + 2y = 10

    y = (4x + 10)/2

    y = (4x - 10)/2

    y = -2x + 5 This one

    None of the above

    45: For a right triangle ABC with right angle C, if BC = 5 and AB = 6, what is the length of AC in simplified form?

    √11 This one

    4√2

    2√3

    3

    46: What is the equation of the line through points (-2, -1) and (2, -6)?

    y = (3/2) x + 1

    y = (½) x - 1

    y = (-5/4) x - (7/2)  This one

    y = -2x + 3

    47: Name the property that makes this statement true

    7(5 − 2) = 7(5) − 7(2) =

    Distributive Property This one

    Associative Property

    Commutative Property

    Addition Equality

    48: Simplify:

    √-9 =

    3

    -3

    2

    not a real number This one

    49: Simplify this rational expression:

    (x2 + 10x + 25) / (5x + x2) =

    [5(5x + 1)] / [6(5x - 1)]

    (x + 5) / x This one

    (x - 1) / (x + 1)

    x / 15

    50: Multiply:

    (2x + 3)(x + 5) =

    2x2 + 13x + 15 This one

    2x2 + 5x + 3

    x2 + 3x + 2

    2x2 - 3x - 10

    51: Simplify:

    √243a + √147a + √72a3b2

    13√3a + 6ab√2a

    16√3 + 6ab√2a This one

    13√3a + 3ab√2a

    16√3a + 6ab√2a

    52: Simplify:

    x

    --------------------------------------...

    x + 3 + 1

    --------------------------------------...

    x - 1 = 4

    --------------------------------------...

    x2 + 2x - 3

    4

    1

    -1

    no solution

    Can&#039;t read your fractions

    53: 32 is what percent of 40?

    80% This one

    75%

    62%

    88%
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