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Review Questions

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Review Questions

Algebra I

1A

Add. Write the sum in simplest form.

1B

Subtract. Write the answer in simplest form.

2A

What is 1 ½ % of $400?

$6

1C

Divide. Write the answer in simplest form.

2B

What percent of 2 is 8?

400%

2C

Eighteen is what percent of 60?

30%

3A

Write as a decimal.

0.625

3B

Write 0.98 a fraction in lowest terms.

3C

Write as a percent.

Round to the nearest tenth of a percent, if necessary.

66.7%

4A

Name the base and exponent then evaluate.

34

The base is 3. The exponent is 4.

34 = 81

4B

Name the base and exponent then evaluate.

122

The base is 12. The exponent is 2.

122 = 144

4C

Name the base and exponent then evaluate.

106

The base is 10. The exponent is 6.

106 = 1,000,000

5A

Evaluate.

12÷3•5-42

4

5B

Evaluate.

15÷3•5-42

9

5C

Evaluate.

8[62 - 3(2+5)]÷8+3

18

6A

What symbol is used for“greater than”?

>

6B

What symbol is used for“less than or equal to”?

≤

6C

What symbol is used for“not less than”?

≥

7A

Name the coordinates of the points graphed on the number line.

{-4, -3, -2, 1, 2}

7B

Graph on a number line.

7C

Graph the set of numbers on a number line.

{integers less than -3 or greater than or equal to 5}

8A

Find the sum.

41 + (-63)

-22

8C

Find the difference:

-45 - (-10)

-35

9A

- Find the product: – 9 (– 12 )

108

8B

Add: -15 + (-45)

-60

9B

Find the product:

9C

Simplify:

(–8x)(–2y) + (–3y)(z)

16xy – 3yz

10A

Find the quotient.

-77 ÷ 11

-7

10B

Find the quotient.

17

10C

Simplify.

8-2a

11A

Find the mean, median, mode and range for the set of data.

{1, 2, 3, 5, 5, 6, 13}

Mean: 5

Median: 5

Mode: 5

Range: 12

11B

Find the mean, median, mode and range for the set of data.

{8, 7, 5, 19}

Mean: 9.75

Median: 7.5

Mode: none

Range: 14

11C

Find the mean, median, mode and range for the set of data.

{201, 201, 200, 199, 199}

Mean: 200

Median: 200

Mode: 199 & 201

Range: 2

12A

Replace the O with <, >, or = to make the statement true. O 3.888…

>

12C

Find the square root in simplest form.

12B

Write these real numbers in order from least to greatest. (You may use a calculator.)

13A

Solve: k + 21 = 14

k = -7

13B

Solve: 15 = a - 5

20

13C

Solve:

14A

Solve: –3x = 12

–4

14B

Solve:

2/3

14C

Solve:

-77

15A

In which quadrant is the point(3,-4) located?

Fourth quadrant

15B

Plot the point (–5, 0) on a coordinate plane.

15C

Write the ordered pair for the point shown. Name the quadrant in which the point is located.

(-2 , 4)

II

16A

Solve if the domain is {–2 , –1, 1, 3, 4}

y=4 – 5x

{(– 2,14), (–1,9), (1,–1), (3,–11), (4,–16)}

16B

Solve if the domain is {–2 , –1, 1, 3, 4}

y=2x + 3

{(– 2, –1), (–1,1), (1,5), (3,9), (4,11)}

16C

Solve if the domain is {–2 , –1, 1, 3, 4}

x=7 – y

{(– 2, 9), (–1,8), (1,6), (3,4), (4,3)}

17A

Choose the letter with the graph of the solution set of .

e.

17B

Choose the letter with the graph of the solution set of .

a.

17C

Choose the letter with the graph of the solution set of .

f.

18A

Express the number in scientific notation.

30,500,000

18B

Express the number in scientific notation.

0.000781

18C

Express the number in standard notation.

0.00003

19A

Find the prime factorization of 140.

22•5•7

19B

Find the prime factorization of 90.

2•32•5

19C

Find the prime factorization of -98.

-1•2•72

20A

Name the figure.

A

B

20B

Name the figure.

X

A

P

20C

Name the figure.

line m or or or or

or or

21A

Find the area.

36 ft.2

21B

Find the area and perimeter of a rectangle that has a width of 3 feet and a length of 4 feet.

Area = 12 ft.2

Perimeter = 14 ft.

21C

Find the area and perimeter of a square with a side of 9 cm.

Area = 81 cm2

Perimeter = 36 cm

22A

Find the area of the circle. Round to the nearest tenth.

36.3 yd2

22B

Find the area and circumference of a circle with a radius of 5 cm. Leave π as π.

Area = 25 π cm2

Circumference = 10π cm

22C

Find the area and circumference of a circle with a radius of 10 cm. Use 3.14 for π.

Area ≈ 314 cm2

Circumference ≈ 62.8 cm

23A

Classify the pair of angles as complementary, supplementary, or vertical. If no relationship exists write none.

supplementary

23B

Find the measure of angle 1 if angle 2 measures 70˚.

110˚

23C

What is the relationship between angle 1 and angle 2.

1

2

They are complementary angles.

24A

Classify the pair of angles as complementary, supplementary, or vertical. If no relationship exists write none.

vertical

24B

Find the measure of angle 2 if the measure of angle one is 80˚.

80˚

24C

What is the special relationship between angle one and angle 2?

They are vertical angles.

25A

Find the measure of angle two if the measure of angle one is 56˚.

124 ˚

25B

Which angle corresponds to angle 3?

angle 6

25C

Which angle corresponds to angle 7?

angle 2

26A

List the two pairs of alternate interior angles.

angle 3 and angle 6

angle 5 and angle 4

26B

Find the measure of angle 6 if angle 3 measures 120˚.

120˚

26C

Find the measure of angle 2 if angle 5 measures 70˚.

110˚

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