Algebra 1 Released Items

53
Algebra 1 Released Items 2000

description

Equations and Inequalities

Transcript of Algebra 1 Released Items

Page 1: Algebra 1 Released Items

Algebra 1 Released Items

2000

Page 2: Algebra 1 Released Items

Equations and Inequalities

Page 3: Algebra 1 Released Items

A repairman estimated the cost of replacing a part in Mrs. James’ computer

would be at most $225. The estimate included $35 for the part, a

$40 service charge, and $30 per hour for labor. What is the maximum number of hours the repairman estimated for the

job?

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25% 25%25%25%A. 4½B. 5C. 5½D. 6

Page 4: Algebra 1 Released Items

What is the solution to the following equation?

4x – 1 = 2x + 5

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25% 25%25%25%A. x = 1B. x = 2C. x = 3D. x = 4

Page 5: Algebra 1 Released Items

If ¼x + 1 > 15/2, then —

1 2 3 4 5 x

> 26

x > 29

x > 13

/2

x > 28

25% 25%25%25%A. x > 26B. x > 29C. x > 13/2D. x > 28

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The statement“If ½x = 5, then x = 10”

is justified by the —

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25% 25%25%25%A. associative property of multiplication

B. commutative property of multiplication

C. addition property of equality

D. multiplication property of equality

Page 7: Algebra 1 Released Items

What are the x- and y-intercepts of the line with equation 4x + 5y

= 40?

1 2 3 4 5

25% 25%25%25%A. x-intercept 10, y-intercept 8

B. x-intercept 8, y-intercept 10

C. x-intercept 10, y-intercept 8

D. x-intercept 8, y-intercept 10

Page 8: Algebra 1 Released Items

Which graph best represents the line

y = ⅓x - 2?

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25% 25%25%25%

A. B.

C. D.

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Which is an equation for the line that passes through the

origin and has a slope of 3/5?

1 2 3 4 5

25% 25%25%25%A. y = 3/5B. x = 3/5C. y = xD. y = 3/5x

Page 10: Algebra 1 Released Items

What is the slope of the liney = 4x - 2?

1 2 3 4 54 2 ¼

-2

25% 25%25%25%A. 4B. 2C. ¼ D. -2

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Which line has a y-intercept of 5 and an x-intercept of 1?

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25% 25%25%25%

A. B.

C. D.

Page 12: Algebra 1 Released Items

Which equation best represents the

line shown?

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25% 25%25%25%A. y = 2x + 2B. y = 2x + 1C. y = ½x + 2D. y = x + 2

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What is the apparent slope of the line graphed below?

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A. 5/2B. 2/5C. -2/5D. -5/2

Page 14: Algebra 1 Released Items

The difference in cost between a large bag of chips and a small bag of chips was

90¢. Alicia bought 5 large bags and 3 small bags of chips for her party and spent $17.22. What was the cost of a

small bag of chips?

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25% 25%25%25%

A. $5.74B. $2.49C. $2.15D. $1.59

Page 15: Algebra 1 Released Items

Which is an equation for the line thatpasses through the points (3, 0) and

(0, 2)?

1 2 3 4 5 y

= -3/2x

+ 2

y = -2

/3x +

2

y = 2/

3x + 3

y = 3/

2x + 3

25% 25%25%25%

A. y = -3/2x + 2B. y = -2/3x + 2C. y = 2/3x + 3D. y = 3/2x + 3

Page 16: Algebra 1 Released Items

The length of a rectangle is 6 meters more than its width. If the area is 135 square meters,

what is its width?

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25% 25%25%25%A. 5 mB. 9 mC. 15 mD. 27 m

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What is the solution to the system of

equations shown below?

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25% 25%25%25%

A. B.

C.D.

Page 18: Algebra 1 Released Items

Which is a solution to the followingequation?

x2 - 12x – 28 = 0

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25% 25%25%25%A. x = 14B. x = 12C. x = 2D. x = 0

Page 19: Algebra 1 Released Items

What is the slope of the line through (3, 2) and (1, 4)?

1 2 3 4 5

3 3/

2 2/

3 -3

/2

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A. 3B. 3/2C. 2/3D. -3/2

Page 20: Algebra 1 Released Items

Which is the solution set for the

equation below?x2 - 3x = 0

1 2 3 4 5 {0, 3

} {3

, 0}

{1, 3

} {2

, 3}

25% 25%25%25%A. {0, 3}B. {3, 0}C. {1, 3}D. {2, 3}

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Expressions and Operations

Page 22: Algebra 1 Released Items

What is the value of4m + 84m + 4

when m = 4?

1 2 3 4 5

25% 25%25%25%A. 0.5B. 1.2C. 1.7D. 2.0

Page 23: Algebra 1 Released Items

Joe, who is the youngest member ofthe wrestling team at Northwood HighSchool, is 5 years less than one-half

the age of the coach. If the coach is n years old, which expression describes

Joe’s age?

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25% 25%25%25%

A. ½n – 5B. 5 – ½nC. 2n + 5D. 2n - 5

Page 24: Algebra 1 Released Items

Which expression is equivalent to

-4a(3a - 5b)?

1 2 3 4 5 -1

2a2 +

20ab

-12a

2 - 20

ab

-12a

2 + 20

a

-12a

2 + 9a

b

25% 25%25%25%A. -12a2 + 20abB. -12a2 - 20abC. -12a2 + 20aD. -12a2 + 9ab

Page 25: Algebra 1 Released Items

Which is equivalent to (2a + 3b - 2c) + (3a - 4b - c) + (a - 5b +

4c)?

1 2 3 4 5

5a - 6

b + c

6a - 6

b - c

6a - 6

b + c

6a2 -

6b2 +

c2

25% 25%25%25%A. 5a - 6b + cB. 6a - 6b - cC. 6a - 6b + cD. 6a2 - 6b2 + c2

Page 26: Algebra 1 Released Items

Given the models below, which figure represents (x + 2)(x +

3)?

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25% 25%25%25%A. B.

C. D.

Page 27: Algebra 1 Released Items

What is √108 written in simplest

radical form?

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25% 25%25%25%A. 2√27B. 3√12C. 6√3D. 18√3

Page 28: Algebra 1 Released Items

Which is equivalent to the expression shown below?

32 · 3-3

1 2 3 4 5

25% 25%25%25%A. -3B. -1C. 1/769D. 1/3

Page 29: Algebra 1 Released Items

When simplified, (2x2y3)4 equals —

1 2 3 4 5 8x

6y7

8x8y

12

16x6

y7

16x8

y12

25% 25%25%25%A. 8x6y7

B. 8x8y12

C. 16x6y7

D. 16x8y12

Page 30: Algebra 1 Released Items

What are factors of 2x2 + 9x + 9?

1 2 3 4 5 (x

+ 9)(

x + 1)

(x - 3

)(2x -

3)

(2x +

3)(x

- 3)

(2x +

9)(x

+ 1)

25% 25%25%25%A. (x + 9)(x + 1)B. (x - 3)(2x - 3)C. (2x + 3)(x - 3)D. (2x + 9)(x + 1)

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x2 - 81y2 = ?

1 2 3 4 5 (x

+ 3y

)(x - 2

7y)

(x - 9

y)(x -

9y)

(x +

9y)(x

- 9y)

(x - 3

y)(x +

27y)

25% 25%25%25%A. (x + 3y)(x - 27y)

B. (x - 9y)(x - 9y)C. (x + 9y)(x - 9y)D. (x - 3y)(x +

27y)

Page 32: Algebra 1 Released Items

What is the greatest common monomial factor of

3x3 + 6xy + 9x2 + 12x2y2?

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25% 25%25%25%A. x3y2

B. 3x2y2

C. 3xD. 3

Page 33: Algebra 1 Released Items

Which is closest to the value of q if

q = √177 - √256 ?

1 2 3 4 529

.324

.5 -1.3

-2.7

25% 25%25%25%A. 29.3B. 24.5C. -1.3D. -2.7

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Relations and Functions

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The numbers in the table follow a linear pattern. What is the missing y

value?

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A. 182B. 180C. 176D. 172

Page 36: Algebra 1 Released Items

What is the range of the relationplotted on the graph?

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A. {-2, -1, 0, 1, 2}B. {-2, -1, 0, 2}C. {-2, -1, 1, 2}D. {-2, -1, 0, 1, 2, 3}

Page 37: Algebra 1 Released Items

The ordered pairs in the sets shown below are of the form (x, y). In which set of ordered pairs is y a function of

x?

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25% 25%25%25%A. {(6, 12), (1, 8), (1, 13)}B. {(0, 2), (0, 4), (4, 0)}C. {(7, 1), (7, 2), (7, 3)}D. {(1, 3), (2, 4), (3, 5)}

Page 38: Algebra 1 Released Items

If y varies directly as x, what is the equation for the direct variation

shown in the table below?

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25% 25%25%25%

A. y = 1/7xB. y = 7xC. y = 7/xD. 7y = x

Page 39: Algebra 1 Released Items

Which of these equations is a direct

variation?

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25% 25%25%25%A. y = -8B. y = -8xC. y = -8x + 1D. y = -8x - 1

Page 40: Algebra 1 Released Items

What is the range of the function

ƒ(x) = ½x - 2 when the domain is

{2, 4, 6}?

1 2 3 4 5

25% 25%25%25%A. {8, 12, 16}B. {0, 1, 2}C. {1, 0, 1}D. {-1, 0, ½}

Page 41: Algebra 1 Released Items

Which is a zero ofƒ(x) = x2 - 15x + 54?

1 2 3 4 5

25% 25%25%25%A. 3B. 5C. 9D. 15

Page 42: Algebra 1 Released Items

If ƒ(x) = 7(x - 2) + 4(x + 1),what is ƒ(2)?

1 2 3 4 59 10 11 12

25% 25%25%25%A. 9B. 10C. 11D. 12

Page 43: Algebra 1 Released Items

The cost of fabric varies directly with the amount of fabric

purchased. If1 2/3 yards of fabric cost

$10.00, how much would 4½ yards cost?

1 2 3 4 5 ... ... ... ...

25% 25%25%25%A. $45B. $27C. $24D. $14

Page 44: Algebra 1 Released Items

If m varies directly as p, and m = 5

when p = 7, what is the constant of variation?

1 2 3 4 5

25% 25%25%25%A. 35B. 12C. 7/5D. 5/7

Page 45: Algebra 1 Released Items

The miles per gallon, m, of an experimental car is given by

where s is the car’s speed in miles per hour. What is the car’s miles per gallon when its speed is 100 miles per hour?

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25% 25%25%25%A. 10 mpgB. 30 mpgC. 45 mpgD. 50 mpg

Page 46: Algebra 1 Released Items

Statistics

Page 47: Algebra 1 Released Items

What

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A. B.

C. D.

Page 48: Algebra 1 Released Items

The stem-and-leaf plots show the number of miles per gallon a family’s car and truck

averaged over the past few months. What is the difference in the median number of miles per

gallon for the two vehicles?

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25% 25%25%25%

A. 7B. 9C. 10D. 11

Page 49: Algebra 1 Released Items

Tommy and Jeremy are pitchers for the baseball team and are being evaluated by the coach. The

speeds in miles per hour of each of their practice pitches are shown below. Which of the

following statements is true regarding their performances?

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25% 25%25%25%

A. Tommy has a lower mean speed.

B. Tommy has a greater range of speeds.

C. Tommy has a lower median speed.

D. Jeremy’s median speed is higher than Tommy’s mean speed.

Page 50: Algebra 1 Released Items

The box-and-whisker plot shows the heights in centimeters of high school seniors compared to their heights as freshmen. Using the median as

the measure,which is closest to the difference in heights between the freshman and senior years?

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A. 0 cmB. 5 cmC. 10 cmD. 15 cm

Page 51: Algebra 1 Released Items

The table shows the life expectancy of a person related to the year of birth. Which equation would

give the bestestimate of life expectancy, given the year of

one’s birth?

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25% 25%25%25%

A. y = 0.45x + 919B. y = 0.45x - 819C. y = 0.40x + 893D. y = 0.40x - 716

Page 52: Algebra 1 Released Items

The table below shows the number of boxes of cookies sold by members of two softball teams,

the Hawks and the Tigers. What is the difference in the mean number of cookies sold

by the two teams?

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25% 25%25%25%A. 2.5B. 4.5C. 6D. 14

Page 53: Algebra 1 Released Items

Which scatterplot most likely has a line of best fit represented by y =

3x + 1?

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25% 25%25%25%

A. B.

C. D.