1 Grade Mathematics Practice Test Nebraska Department of Education 002 Directions: On the following pages are multiple-choice questions for the Grade ...

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Nebraska Department of Education 2010

Directions: On the following pages are multiple-choice questions for the Grade 11 Practice Test, a practice opportunity for the Nebraska State Accountability–Mathematics (NeSA–M). Each question will ask you to select an answer from among four choices. For all questions: • Read each question carefully and choose the best answer. • You may use scratch paper to solve the problems. • The Mathematics Reference Sheet is provided in the back of the test booklet. You may refer to this page any time during the test. • You may not use a calculator on this test. • Be sure to answer ALL the questions. Remember only one of the answers provided is the correct response.

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STOP.

MATHEMATICS PRACTICE TEST 1.

Use the diagram below to answer the question.

1600 m2

900 m2

x

y

The area of each square is given in the diagram. What is the value of x + y?

2.

3.

A.

30 meters

B.

40 meters

C.

70 meters

D.

120 meters

What is the value of the expression ⫺ 4 兹25 ⫹ 4 3 ? A.

32

B.

44

C.

84

D.

112

What is the simplified form of the expression (6x4 + 4x3 ⫺ 2x2 + 5) ⫺ (3x4 ⫺ 2x3 + x + 4)? A.

3x4 + 2x3 ⫺ 2x2 + x + 1

B.

3x4 + 2x3 ⫺ 2x2 ⫺ x + 9

C.

3x4 + 6x3 ⫺ 2x2 + x + 1

D.

3x4 + 6x3 ⫺ 2x2 ⫺ x + 1

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MATHEMATICS PRACTICE TEST 4.

Use the graphs below to answer the question. y

y s

5 4 3 2 1 –5 –4 –3 –2 –1 0 –1 r –2 –3 –4 –5

1 2 3 4 5

x

5 4 3 2 1

–5 –4 –3 –2 –1 0 –1 –2 –3 –4 –5

y

x

y

5 4 3 2 1 –5 –4 –3 –2 –1 0 –1 –2 –3 –4 –5 t

1 2 3 4 5

u 1 2 3 4 5

x

5 4 3 2 1

–5 –4 –3 –2 –1 0 –1 –2 –3 –4 –5

1 2 3 4 5

x

Which line shows a negative slope? A.

r

B.

s

C.

t

D.

u

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MATHEMATICS PRACTICE TEST 5.

Use the figure below to answer the question.

A

10 in.

B

D

C

ABC is equilateral and each side measures 10 inches (in.). Segment DC is equal to 5 in. What is the length of AD ?

6.

A.

5兹2 in.

B.

5兹3 in.

C.

10兹2 in.

D.

10兹3 in.

What is the simplest form of the expression A.

B.

C.

D.

2x 2 ⫹16x⫹14 ? x 2 ⫺1

2共x⫹7兲 共x⫺1兲 共2x⫹2兲共x⫹7兲 共x⫹1兲共x⫺1兲 2共x⫹7兲 共x⫹1兲 2共x⫹1兲共x⫹7兲 共x⫺1兲共x⫺1兲

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MATHEMATICS PRACTICE TEST

7.

8.

What is the value of A.

⫺ 4

B.

⫺

C.

1 4

D.

4

共 21 兲

⫺2

?

1 4

3 and passes through the point ( ⫺ 4, 2). Which represents the equation of the 4 line written in standard form?

A line has a slope of

A.

4x ⫺ 3y = ⫺ 22

B.

⫺ 3x + 4y = 20

C.

4x ⫺ 3y = ⫺ 18

D.

3x ⫺ 4y = ⫺ 24

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MATHEMATICS PRACTICE TEST 9.

Use the table below to answer the question. School Population By Gender Males Females Total Freshman

8

17

25

Sophomores

15

10

25

Juniors

12

13

25

Seniors

15

10

25

Total

50

50

100

In a school of 100 students, what is the probability of randomly selecting a student that is either a female or a senior? 10 A. 100 B.

25 100

C.

60 100

D.

65 100

10. The vertices of

ABC are A (0, 0), B (6, 0), and C (3, 7). What type of triangle is

A.

acute isosceles triangle

B.

acute scalene triangle

C.

right isosceles triangle

D.

right scalene triangle

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ABC?

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MATHEMATICS PRACTICE TEST 11. Which statement is true for a line that passes through points (–2, 4) and (3, 4)? A.

The line has a negative slope.

B.

The line has a positive slope.

C.

The line has an undefined slope.

D.

The line has a zero slope.

12. Use the figure below to answer the question.

A 60°

D

125°

B In

E

C

ABC, DE is parallel to BC . The measure of ⬔A is 60° and the measure of ⬔DEC is 125°. What

is the measure of ⬔B? A.

55°

B.

60°

C.

65°

D.

70°

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MATHEMATICS PRACTICE TEST

3⫹ 13. What is the value of the expression A.

1 4

B.

13 12

C.

5 4

D.

13 3

3

1 4

?

14. Using positive exponents, what is the simplest form of the expression A.

x7 3y 2

B.

x7 27y 5

C.

x 12 9y 6

D.

x 12 27y 6

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冉 冊 x4 3y 2

3

?

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MATHEMATICS PRACTICE TEST 15. Given the linear equation y = A.

x −3 0 3

y 0 2 4

B.

x 0 2 3

y 2 5 4

C.

x −3 2 6

y 0 0 6

D.

x −9 −6 0

y −6 −2 2

2 x + 2, which table of values represents this equation? 3

16. What is the y-intercept of the line that contains the points (3, 3) and (6, ⫺ 1)? A.

5

B.

6

C.

7

D.

8

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MATHEMATICS PRACTICE TEST 17. The coordinates of the vertices for rectangle ABCD are A (2, 4), B (6, 10), C (9, 8) and D (5, 2). What is the length of a diagonal (AC or BD) of the rectangle? A.

兹13

B.

兹52

C.

兹60

D.

兹65

18. Use the frequency table below to answer the question.

Frequency Table Interval Frequency 70-74 75-79 80-84 85-89 90-94 95-99 The frequency table shows the test scores for each interval. What effect would dropping the two scores in the 70-74 interval have on the mean and standard deviation? A.

both the mean and standard deviation increase

B.

both the mean and standard deviation decrease

C.

the mean increases, but the standard deviation decreases

D.

the mean decreases, but the standard deviation increases

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MATHEMATICS PRACTICE TEST 19. A car used 12 gallons of gasoline and traveled a total distance of 290 miles. The car’s fuel efficiency is 25 miles per gallon on the highway and 20 miles per gallon in the city. The variable h will represent the number of gallons used on the highway. Which equation could be used to find h? A.

25h + 20(12 – h) = 290

B.

25(12 – h) + 20h = 290

C.

25(12 + h) + 20h = 290

D.

25h + 20(12 + h) = 290

20. Use the spinners below to answer the question.

1

2

4

3

4

5

6 Spinner A

Spinner B

All four sections on spinner A are the same size, and all three sections on spinner B are the same size. Charlie spins Spinner A and Spinner B one time each and adds his results. What is the probability of getting a sum of 6? 1 A. 12 B.

2 12

C.

3 12

D.

4 12

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MATHEMATICS PRACTICE TEST 21. An item sells for $20 per kilogram. What is the cost in cents per gram for this item? A.

0.02 cents per gram

B.

0.2 cents per gram

C.

2 cents per gram

D.

20 cents per gram

22. Nine tiles numbered 1 through 9 are placed in a bag. A tile is randomly drawn and replaced. Then a second tile is randomly drawn. What is the probability the first tile drawn and the second tile drawn are both even numbers? 8 A. 81 B.

16 81

C.

20 81

D.

25 81

23. John found the length of one side of a square to be 兹40 inches. Which is closest to the length of the side of the square? A.

about 6 inches

B.

about 7 inches

C.

about 10 inches

D.

about 20 inches

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MATHEMATICS PRACTICE TEST 24. Line l and line k are perpendicular. Line l has a slope of 3. Line k contains the points (5, 8) and (2, y). What is the value of y? A.

–1

B.

7

C.

9

D.

17

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STOP.

NeSA-M High School Reference Sheet Shape

Area

Key

Circumference b = base

w = width

Perimeter

B = area of base

d = diameter

P = 2l + 2w

h = height

r = radius

l = length

ℓ = slant

Circle

A = �r2

C = πd = 2πr

Triangle

1 A = 2 bh

Rectangle

A = lw

Trapezoid

A = 12 h (b1 + b2)

Parallelogram

A = bh

Use 3.14 for π Volume

3-Dimensional Shape

Total Surface Area

Right Circular Cone

V = 13 �r2h

T =

Pyramid

V = 13 Bh

T =

Sphere

V = �r3

T = 4�r2

Right Circular Cylinder

V = �r2h

T = 2�rh + 2�r2

Right Prism

V = Bh

T = 2B + Ph

4 3

1 2 (2�r)ℓ + B + 12 Pℓ

�r2 = �rℓ + �r2

Formulas Pythagorean Theorem Distance, rate, and time formula, where d = distance, r = rate, t = time:

c

a

d = rt

b c = a2 + b2 2

Right-Triangle Relationships 30º-60º-90º Triangle Relationships

Trigonometric Ratios

B c

a C

b

sin A = ac cos A = bc tan A = a b A

45º-45º-90º Triangle Relationships B

B x C

60°

2x 30° x√3

45°

x√2 A

A

45°

x x

C

NeSA-M High School Reference Sheet

Coordinate Geometry

Linear Equation Forms

Given: Points A(x1, y1), B(x2, y2) Distance between two points:

Point-Slope Form: y – y1 = m (x – x1)

AB =

Standard or General Form:

(x2 – x1)2 + (y2– y1)2

Midpoint between two points:

Ax + By = C

(

x2 + x1 y2 + y1 , 2 2 y –y Slope of line through two points: m = x2 – x1 2 1 Midpoint of AB =

Slope-Intercept Form: y = mx + b

Equation of a Circle

Quadratic Formula

(x – h)2 + (y – k)2 = r2

2 x = –b ± √ b – 4ac 2a ax2 + bx + c = 0

(h, k) = center

r = radius

Standard Units

)

Metric Units Conversions – Length

1 foot (ft) = 12 inches (in.)

1 centimeter (cm) = 10 millimeters (mm)

1 yard (yd) = 3 feet (ft) = 36 inches (in.)

1 meter (m) = 100 centimeters (cm)

1 mile (mi) = 1,760 yards (yd) = 5,280 feet (ft)

1 kilometer (km) = 1,000 meters (m)

Conversions – Area 1 square foot (sq. ft) = 144 square inches (sq. in.) 1 square yard (sq. yd) = 9 square feet (sq. ft) Conversions – Volume 1 cubic yard (cu. yd) = 27 cubic feet (cu. ft) 1 cubic foot (cu. ft) = 1,728 cubic in. (cu. in.) Conversions – Capacity 1 cup = 8 fluid ounces (fl oz)

1 liter (l) = 1,000 milliliters (ml)

1 pint (pt) = 2 cups

1 liter (l) = 1,000 cubic centimeters (cu. cm)

1 quart (qt) = 2 pints (pt)

1 kiloliter (kl) = 1,000 liters (l)

1 gallon (gal.) = 4 quarts (qt) Conversions – Weight/Mass 1 pound (lb) = 16 ounces (oz)

1 gram (g) = 1,000 milligrams (mg)

1 ton = 2,000 pounds (lb)

1 kilogram (kg) = 1,000 grams (g)

Grade 11 Practice Test Answer Key Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

Key C B D B B A D B D A D C B D A C D C A B C B A C

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