Free Printable Math 8 Final Review

1.

A pie chart is most useful for displaying:

a)

Changes over time

b)

Parts of a whole

c)

Frequency distribution

d)

Correlation between variables

2.

Which graph would you use to show the trend of temperature changes over a week?

a)

Bar graph

b)

Line graph

c)

Histogram

d)

Pie chart

3.

Which of the following is not a characteristic of a bar graph?

a)

Bars can be horizontal or vertical

b)

Bars are of equal width

c)

Bars are connected to each other

d)

Bars represent different categories

4.

If a line graph shows a steep upward slope, what does this indicate about the data?

a)

The data is decreasing rapidly

b)

The data is constant

c)

The data is increasing rapidly

d)

The data is fluctuating

5.

Which type of graph would be most appropriate to show the percentage of students who prefer different types of music?

a)

Line graph

b)

Bar graph

c)

Histogram

d)

Pie chart

6.

In a bar graph, what does the length of each bar represent?

a)

The category name

b)

The frequency or value of the category

c)

The total number of categories

d)

The average of all categories

7.

What is the main purpose of using a line graph?

a)

To show parts of a whole

b)

To compare different categories

c)

To display data trends over time

d)

To show frequency distribution

8.

If you have data on the number of books read by students in different grades, which graph would you use to compare the data?

a)

Line graph

b)

Pie chart

c)

Bar graph

d)

Histogram

9.

How many total votes were collected?

a)

5

b)

10

c)

15

d)

20

10.

Which pizzeria has the second largest sales?

a)

Pizza House

b)

Domiano's Pizza

c)

Little Secrets Pizza

d)

Uncle John's Pizza

11.

How many more pizzas were sold by Uncle John's Pizza than Little Secrets Pizza?

a)

40

b)

200

c)

210

d)

45

12.

Express the ratio as a fraction in simplest form:
18 ounces to 3 cups

a)

6 to 1

b)

1/6

c)

18/3

d)

3/18

13.

Simplify the ratio of
35 : 14

a)

5 : 2

b)

2 : 5

c)

3 : 1

d)

35: 14

14.

In a certain apartment building, the ratio of tenants to cars is 3:5. If there are 30 tenants, how many cars are there?

a)

35

b)

60

c)

18

d)

50

15.

Jose swims 3 laps in a pool every 2 minutes. How long would it take him to swim 27 laps?

a)

8 minutes

b)

9 minutes

c)

16 minutes

d)

18 minutes

16.

At the market, 7 apples cost $4.55. What is the cost per apple?

a)

1.54 apples per dollar

b)

1.54 dollars per apple

c)

$0.65 per apple

d)

not here

17.

Which of the following is a UNIT RATE?

a)

10 miles / 2 hours

b)

$6 for each hour

c)

1 box / $3

d)

15 pounds every 5 servings

18.

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

a)

$8 per pound

b)

$5 per pound

c)

$35 per pound

d)

0.125 pounds per dollar

19.

^{What is the ratio of total shapes to circles?}

a)

3 : 4

b)

4 : 3

c)

7 : 3

d)

3 : 7

20.

A 20-oz. box of Cheerios costs $2.25 at kroger, and a 20-oz. box of Cheerios costs $2.64 at Meijer. Which store offers the better buy?

a)

Kroger

b)

Meijer

21.

The Pythagorean Theorem ONLY works on which triangle?

a)

obtuse

b)

scalene

c)

isosceles

d)

right

22.

_{^{Find the missing side}}

a)

9

b)

41

c)

6.4

d)

3

23.

What is the height of the cone?

a)

14 cm

b)

8 cm

c)

12 cm

d)

13.9 cm

24.

Which set of sides would make a right triangle?

a)

4,5,6

b)

8,10,12

c)

5,12,13

d)

5,10,12

25.

Which set of side lengths does not form a right triangle?

a)

38, 80, 90

b)

16, 63, 65

c)

36, 77, 85

d)

14, 15, 29

26.

a² + b² = c^{2
a = 9 b = 40}

a)

c = 41

b)

c = 65

c)

c = 25

d)

c = 5

27.

Which equation can be used to solve for "x"?

a)

15² – x² = 21²

b)

x² – 15² = 21²

c)

15² + 21² = x²

d)

21² – 15² = x²

28.

Determine the length of the missing side.

a)

7

b)

8

c)

17

d)

23

29.

Two LEGS are 9 and 12. What is the hypotenuse?

a)

14

b)

15

c)

17

d)

18

30.

The leg of a triangle is 24 and its hypotenuse is 25. What is the length of its other leg?

a)

5

b)

12

c)

8

d)

7

31.

Casey travels from her house directly west to the bank and then directly north from the bank to the mall. She then travels home on the road connecting the mall and her house. What is her total distance traveled?

a)

17 miles

b)

32 miles

c)

37 miles

d)

40 miles

32.

A rectangular field is 50 yards wide and 100 yards long. Patrick walks diagonally across the field. How far does he walk?

a)

111.8 yards

b)

115 yards

c)

127.3 yards

d)

119 yards

33.

The bottom of a 13-foot straight ladder is set into the ground 5 feet away from a wall. When the top of the ladder is leaned against the wall, what is the distance above the ground it will reach?

a)

12 feet

b)

13.5 feet

c)

13 feet

d)

11.6 feet

34.

Challenge! Find the perimeter of a triangle that has legs that are 3 cm and 4 cm.

a)

5

b)

7

c)

10

d)

12

35.

solve for the value of y

a)

13

b)

5

c)

23

d)

10

36.

An airplane flies 56 miles due north and then 33 miles due east. How many miles is the plane from its starting point?

a)

65 miles

b)

89 miles

c)

45.4 miles

d)

We don't have enough information.

37.

What is 12% of 40?

a)

5

b)

4.8

c)

4

d)

12

38.

75% of what number is 48?

a)

48

b)

100

c)

64

d)

75

39.

What is 19% of 50?

a)

9.5

b)

10

c)

15

d)

11

40.

26 is 5% of what number?

a)

1.3

b)

2.5

c)

25.95

d)

520

41.

Sarah earns $20 a day working after school. She spent 30% of her daily earnings on Monday. How much money did she spend on Monday?

a)

$1.40

b)

$6

c)

$0.60

d)

$14

42.

200 children attended the school play. Of the total attendance, 40% were boys. How many girls attended the school play?

a)

800

b)

180

c)

80

d)

120

43.

What is 40% of 35?

a)

40

b)

16

c)

34

d)

14

44.

The bill amount is $6.68.

What would the tip be if you left 23%?

a)

$4.22

b)

$5.91

c)

$1.54

d)

$0.52

45.

The regular price of a scooter is $65.50. It is on sale for $52.40. What is the percent decrease from the regular price to the sale price of the scooter?

a)

35%

b)

25%

c)

30%

d)

20%

46.

Mrs. Ciampa had 27 students in her class last year and this year she had 30 students in her math class. What is the percent change rounded to the nearest percent?

a)

24%

b)

20%

c)

11%

d)

50%

47.

The number of people signed up for a bus trip increased from 32 to 45. What is the percent increase? Round to the nearest percent.

a)

52%

b)

41%

c)

42%

d)

45%

48.

The play attendance decreased from 250 students to 195 students. What was the percent decrease?

a)

55%

b)

22%

c)

28.2%

d)

32%

49.

The Game Stop is having a sale on an originally $60.64 game. It is on sale for $29.99. What is the percent change?

a)

50.5% Decrease

b)

50.5% Increase

c)

505% Decrease

d)

505% Increase

50.

Sales of the Xbox One increased from 10,000 to 18,500 in November. What was the percent increase?

a)

8.5%

b)

45.9%

c)

85%

d)

85.8%

51.

Last year the enrollment at Clark Middle School was 465 students. This year the enrollment is 525 students. What is the percent of increase?

a)

113%

b)

100%

c)

13%

d)

87%

52.

What is the equation to find the area of a rectangle?

a)

b)

c)

d)

53.

What is the equation to find the area of a circle?

a)

b)

c)

d)

54.

What is the equation to find the area of a triangle?

a)

b)

c)

d)

55.

Find the total surface area of the prism.

a)

161 square feet

b)

1,700 square feet

c)

75 square feet

d)

186 square feet

56.

What is the total surface area of the cylinder to the nearest square inch?

a)

625 in²

b)

1301 in²

c)

1300 in²

d)

626 in²

57.

Find the total surface area of the prism.

a)

48 square inches

b)

64 square inches

c)

88 square inches

d)

76 square inches

58.

Find the surface area of the cube.

a)

100 sq in

b)

400 sq in

c)

600 sq in

59.

FInd the Surface area of the shape below?

a)

258 m²

b)

268 m²

c)

248 m²

d)

278 m²

60.

Find the surface area of the triangular prism.

a)

228 in²

b)

204 in²

c)

304 in²

d)

328 in

61.

What is the total surface area of the triangular prism shown?

a)

468 in²

b)

540 in²

c)

576 in²

d)

700 in²

62.

find the total surface area of the cylinder .

a)

456.33m²

b)

1445.1m²

c)

1245.m²

d)

6789m²

63.

Express 3/4 as a percentage.

a)

34%

b)

75%

c)

25%

d)

43%

64.

Paul received 8/10 on his Math test. What was his percentage?

a)

8%

b)

08%

c)

85%

d)

80%

65.

1/2 of the apples in the bag were spoilt. Calculate what percentage of apples was spoilt.

a)

1/2%

b)

20%

c)

60%

d)

50%

66.

Convert fraction to a decimal

³/₈

(a)

67.

If an NFL team won 10 games and lost 6, what fraction shows how many games they lost out of all the games.

a)

10/16 (5/8)

b)

6/16 (3/8)

c)

6/10 (3/5)

d)

10/6 (5/3)

68.

What fraction is equivalent to 10/12?

a)

15/18

b)

12/10

c)

5/7

d)

8/9

69.

Simplify this fraction as simple as possible:

5/5

a)

4/4

b)

2/2

c)

1/1

d)

1

70.

3/6 ______ 2/3

a)

<

b)

=

c)

>

d)

wants to be a narwhal like

71.

7/8 = what?

a)

0.125%

b)

0.78%

c)

0.87%

d)

0.875%

72.

2/3 = what?

a)

23%

b)

32%

c)

33.33%

d)

66.67%

73.

72/100 is equivalent to what?

a)

26/33

b)

18/25

c)

15/28

d)

23/36

74.

A box of shoes is worth $70. At the 1/2 off sale, how much would they cost?

a)

$140

b)

$1.40

c)

$35

d)

$0.35

75.

17/20 equals what decimal?

a)

85.0

b)

0.85

c)

17.0

d)

0.17

76.

Write the fraction as a decimal 1¹/₂

(a)

77.

Write the decimal as a fraction

in simplest form

0.032

(a)

78.

a)

8%

b)

160%

c)

1.6

d)

16%

79.

a)

43%

b)

4.3

c)

0.0043

d)

42%

80.

a)

2/25

b)

4%

c)

25%

d)

160

81.

Write the mixed number as an improper fraction

3 ⁴/₉

(a)

82.

Write the mixed number as an improper fraction

2 ³/₅

(a)

83.

Kennedy Space Center, located on Merritt Island, is also a National Wildlife Refuge. Only about 0.04 of the total area is used for space operations. Which fraction best represents the area used for space operations?

a)

²/₅

b)

¹/₂₅

c)

¹/₄

d)

¹/₂₀₀

84.

Alaska is the largest state, with an area that is about ⁶³/_1,000 of the area of the United States. Write this number as a decimal.

(a)

85.

$15\times\frac{1}{5}$

a)

$\frac{1}{3}$

b)

3

c)

$\frac{3}{5}$

d)

5

86.

Which is true of the fractions
$\frac{1}{3}$ and $\frac{2}{5}$

a)

$\frac{1}{3}$ $>$ $\frac{2}{5}$

b)

$\frac{1}{3}$ $<$ $\frac{2}{5}$

c)

$\frac{1}{3}$ $=$ $\frac{2}{5}$

87.

$1\ \frac{1}{2}$ + $2\ \frac{2}{4}$

(a)

88.

$3\ \frac{9}{15}$ - $3\ \frac{3}{5}$

(a)

89.

$\frac{4}{9}$ + $\frac{2}{3}$

a)

$1\ \frac{1}{9}$

b)

$\frac{11}{9}$

c)

$\frac{6}{12}$

d)

$\frac{2}{6}$

90.

$4\div\frac{1}{2}$

(a)

91.

$3\div\frac{1}{10}$

(a)

92.

$8\ \frac{3}{7}$ - $6\ \frac{13}{14}$

a)

$2\ \frac{10}{7}$

b)

$1\ \frac{20}{28}$

c)

$1\ \frac{1}{2}$

d)

$2\ \frac{7}{14}$

93.

Brandon has 6 eggs. He needs 2/3 of the eggs to make an omelet. How many eggs does he need?

a)

12

b)

3

c)

2

d)

4

94.

$8\ \times\ \frac{1}{4}$

(a)

95.

Add the fractions:
1/3 + 1/5 =

a)

8/15

b)

2/5

c)

1/2

d)

1/3

96.

What is the product of these fractions in lowest terms?

a)

20/50

b)

4/5

c)

2/5

d)

4/10

97.

a)

-4/3

b)

13/18

c)

4/3

d)

2/9

98.

2/5 divided by 3/4

a)

8/15

b)

6/20

c)

3/10

d)

3/20

99.

It took Earl ½ hour to do his science homework and ⅓ hour to do his math homework. How long did Earl work on homework?

a)

⅖ hour

b)

⅙ hour

c)

⅚ hour

d)

⅕ hour

100.

Complete the equivalent fraction.

a)

6

b)

9

c)

15

d)

23

101.

6 2/5 + 4 1/5 =

a)

10 4/5

b)

10 3/5

c)

10 1/5

d)

10

102.

Convert to an improper fraction.

a)

8/5

b)

11/5

c)

11/2

d)

2/5

103.

Multiply. Be sure to simplify your answer when possible.

a)

12 5/6

b)

77/6

c)

6/77

d)

12 6/5

104.

a)

3 2/7

b)

4 ⁴/₇

c)

⁵⁷/₉

d)

5 ¹/₂

105.

Write $2\ \frac{3}{4}$ as an improper fraction

a)

$\frac{11}{4}$

b)

$\frac{12}{2}$

c)

$\frac{10}{3}$

d)

$\frac{8}{4}$

106.

Write $\frac{54}{7}$ as a mixed number

a)

$7$

b)

$7\ \frac{5}{7}$

c)

$7\ \frac{4}{7}$

d)

$6\ \frac{5}{7}$

107.

Multiply 2/6 x 3/5

a)

1/5

b)

1 / 1

c)

1 / 6

d)

0

108.

Solve. 2/3 + 7/12

a)

3/5

b)

9/15

c)

15/12

d)

5/12

109.

Simplify $\frac{8}{12}$

a)

$\frac{2}{3}$

b)

$\frac{3}{4}$

c)

$\frac{1}{2}$

d)

$\frac{4}{6}$

110.

Find the volume to the nearest tenth using 3.14 instead of Pi.

a)

282.6 in³

b)

94.2 in³

c)

235.5 in³

d)

78.5 in³

111.

Find the volume to the nearest hundredth using 3.14 instead of Pi.

a)

418.00 cm³

b)

139.33 cm³

c)

130.62 cm³

d)

1671.98 cm³

112.

Find the volume of this cylinder in terms of pi(π)

a)

7230π m³

b)

6621π m³

c)

1130π m³

d)

1440π m³

e)

360π m³

113.

A cylinder has a volume of 210 cubic cm. What is the volume of a cone with the same radius and height?

a)

630 cubic cm

b)

140 cubic cm

c)

70 cubic cm

d)

280 cubic cm

e)

320 cubic cm

114.

Barry has a cylindrical can of tea that is 3/4 full. If the can has a diameter of 6 cm and a height of 20, how many cubic cm of tea does he have left? Use 3.14 for pi(π) and round your answer to the nearest whole number.

a)

1696

b)

565

c)

424

d)

2261

e)

377

115.

A can of soda has a radius of 1.2 inches and height of 4.7 inches. If each cubic in holds 0.55 liquid ounces of soda, then how many ounces of soda are in a can. Use 3.14 for pi(π) and round your answer to the nearest whole number.

a)

12

b)

21

c)

18

d)

10

e)

4

116.

How do you find the volume of a cylinder with height of 20 and a diameter of 8. Select ALL equations that would lead to the correct answer.

a)

$V=π\cdot64\cdot20$

b)

$V=π\cdot16\cdot20$

c)

$V=\frac{π\cdot16\cdot20}{3}$

d)

$V=\frac{π\cdot64\cdot20}{3}$

e)

$20=π\cdot r^2\cdot8$

117.

Find the volume of the prism.

a)

27 cm³

b)

72 cm³

c)

180 cm³

d)

360 cm³

118.

a)

45mm²

b)

45mm³

c)

3,375mm³

d)

3,375mm²

119.

What is the volume of this prism?

a)

16 cubic cm

b)

36 cubic cm

c)

144 cubic cm

120.

Find the Volume

a)

960 cm³

b)

240 cm³

c)

960 cm ²

d)

1920 cm³

121.

A checking account is overdrawn if it has a negative balance. Marc’s account is overdrawn by $55. What will the balance be after he deposits $140 and writes a check for $39?

a)

$46

b)

$87

c)

$164

d)

$233

122.

2 - 7

a)

5

b)

9

c)

-9

d)

-5

123.

6 + (-4)

a)

2

b)

-2

c)

10

d)

-10

124.

-9 + (-2)

a)

11

b)

7

c)

-7

d)

-11

125.

-4 + 10

a)

14

b)

-14

c)

6

d)

-6

126.

To add integers with the SAME sign,

a)

subtract and make it negative.

b)

add the integers and keep the sign.

c)

add the numbers and it’s always positive.

d)

subtract the numbers and it’s always zero.

127.

To add integers with different signs,

a)

subtract the integers and keep the sign of the one with the greatest absolute value.

b)

subtract and then it will be positive.

c)

add the numbers and forget about the signs.

d)

subtract until you get zero.

128.

-8 - 5

a)

3

b)

-3

c)

-13

d)

13

129.

5 - (-5)

a)

0

b)

-10

c)

-0

d)

10

130.

-7 - (-7)

a)

0

b)

14

c)

-14

d)

7

131.

To subtract integers you

a)

add the negative of the positive.

b)

subtract the opposite.

c)

just add them like they are.

d)

add the opposite of the second integer.

132.

Multiplying integers with the SAME sign;

a)

The answer is always positive.

b)

The answer is always negative.

c)

The answer is seldom positive.

d)

The answer is sometimes negative.

133.

Multiply 5 x (-2)

a)

10

b)

-10

c)

3

d)

-3

134.

Multiply -3 x (-5)

a)

-8

b)

-15

c)

15

d)

3

135.

Multiply 4 x 0

a)

4

b)

-4

c)

8

d)

0

136.

True or false.

You use the same rules for dividing integers as you do for multiplying integers.

a)

True

b)

False

137.

Divide -12/-2

a)

6

b)

-6

c)

2

d)

-4

138.

Divide 14/7

a)

-2

b)

2

c)

7

d)

-7

139.

Divide -20/10

a)

10

b)

2

c)

-2

d)

-10

140.

Divide 8/-4

a)

-2

b)

4

c)

-4

d)

2

141.

What is the sign of the missing integer? -3 x ___ = 6

a)

Positive

b)

Negative

c)

It has no sign because the answer is zero.

d)

division

142.

How many cubes would be in the next shape?

a)

15

b)

16

c)

17

d)

18

143.

How many blocks will be in the 4th term?

a)

The next term will have 16 blocks

b)

The next term will have 15 blocks.

c)

The next term will have 14 blocks.

d)

This is the end of the pattern.

144.

Determine the equation of the graph.

a)

y= -2x + 3

b)

y= -2 + 3x

c)

y= -3x - 2

d)

y= -2x-3

145.

11, 9, 7, 5, ..

a)

7

b)

4

c)

3

d)

2

146.

Match the expression 9-n to its graph

a)

b)

c)

d)

147.

Total pay is $10 to show up
and $7 for every hour worked. Which of the following statements is true?

a)

The initial value is 7

b)

the initial value is 10

c)

the rate of change is 10

d)

the initial value is 17

148.

What is the CORRECTLY written rule for this pattern?

12,21,30,39,48,57

a)

Start at 12. Add 18

b)

Start at 3. Add 9

c)

Start at 21. Subtract 9

d)

Start at 12. Add 9

149.

a)

b)

c)

d)

150.

What is the pattern in the table below?

a)

multiplying the number of shots by 3

b)

adding 3 to the number of shots

c)

adding 1 to the number of shots

d)

dividing the number of shots by 3

151.

Write an equation for this relation.

a)

y = -5x

b)

y = -5x + 1

c)

y = 5x

d)

y = 5x - 1

152.

What expression would create this graph

a)

3n-1

b)

2n+1

c)

2n

d)

n÷2

153.

Evaluate expression: 5a + b for a= 6 and b= 3

a)

33

b)

36

c)

30

d)

59

154.

Which equation matches the table?

a)

y = 3x + 9

b)

y = x + 9

c)

y = x + 3

d)

y = 12x - 3

155.

Given the equation 2y = 4x+6, what is the slope?

a)

2

b)

x

c)

3

d)

6

156.

Which statement best describes "m"?

a)

x- intercept

b)

y - intercept

c)

slope

d)

bee

157.

Which statement best describes "b"?

a)

x-intercept

b)

y- intercept

c)

Slope

d)

Bee

158.

What is the correct equation in
Slope-Intercept Form?
(y = mx +b)

a)

y = -1/3x + 3

b)

y = 1/3x - 3

c)

y = -1/3x - 3

d)

y = 1/3x + 3

159.

What is the correct equation?

a)

x = 5

b)

y = 5

c)

x = - 5

d)

y = -5

160.

What is the correct equation in
Slope-Intercept Form?
(y = mx +b)

a)

x = 4

b)

y = 4

161.

In the following equation, what is the y-intercept? 2y - 14= -6x

a)

-3

b)

7

c)

-3/7

d)

3

162.

What is the slope in the equation: y=4x+3

a)

3

b)

4x

c)

4

d)

x

163.

The point where the line crosses the y-axis is called the:

a)

origin

b)

x-intercept

c)

y-intercept

d)

slope

164.

#1 Which graph is correct for y = -x + 3?

a)

A

b)

B

165.

Which graph shows the equation $y=\frac{2}{3}x-3$

a)

b)

c)

d)

166.

Write the equation in slope-intercept form for the line that contains the points
(3, -5) and (5, - 1)

a)

y = 2x + 11

b)

y = 2x + 1

c)

y = 2x - 1

d)

y = 2x - 11

167.

Determine the slope.

a)

-5

b)

5

c)

-1/5

d)

1/5

168.

Identify the slope of the following graph.

a)

Positive

b)

Negative

c)

Zero

d)

Undefined

169.

Find the slope of the line.

a)

-2

b)

2

c)

-1

d)

1

170.

What is the first step to solve this equation:
-3x + 11 = 44

a)

Add 3 to both sides

b)

Subtract 11 from both sides

c)

Add 11 to both sides

d)

Divide 3 on both sides.

171.

What is the first step to solve this equation:
-3x + 11 = 44

a)

Add 3 to both sides

b)

Subtract 11 from both sides

c)

Add 11 to both sides

d)

Divide 3 on both sides.

172.

Solve the equation:
-5x = 25

a)

x = 20

b)

x = -20

c)

x = -5

d)

x = 5

173.

19 + a = -50

a)

a = -950

b)

a = -69

c)

a = -31

d)

a = -50/19

174.

x - 8 = -5

a)

13

b)

-13

c)

3

d)

-3

175.

x + 12 = 20

a)

x = 32

b)

x = -32

c)

x = 8

d)

x = -8

176.

Solve the equation
3x = 27.

a)

x = 24

b)

x = 81

c)

x = 9

177.

Solve for x:

a)

x = 20

b)

x = 7

c)

x = 10

d)

x = 3

178.

x - 62 = 123
How should you show your work to isolate the variable and solve the equation?

a)

Add 62 to each side.

b)

Subtract 62 from each side.

c)

Multiply each side by 62.

d)

Add 123 to each side.

179.

Cheryl gets paid $8 per hour for her job at the record store and $15 for working late on Saturday. She made a total of $96 last week. Which equation models this situation?

a)

96h + 15 = 8

b)

h/96 = 8

c)

8h + 15 = 96

d)

h/8 = 96

180.

What is the first step in solving this equation:
5x + 7 = 12

a)

Divide by 5

b)

Subtract 5

c)

Multiply by 7

d)

Subtract 7

181.

An ______ does NOT have an equal sign.

a)

Evaluation

b)

Expression

c)

Equations

d)

answer

182.

An equation has an equal sign and infers you should solve the problem.

a)

True

b)

False

183.

Letters in math are called...

a)

letters

b)

mystery numbers

c)

I don't know

d)

variables

184.

3x - 7 when x = 4

This means you need to do what?

a)

replace x with 7, then multiply 3x7

b)

make an equation 3x-7=4

c)

replace x with 4, then multiply 3x4

185.

What is an example of inverse operations?

a)

+/X

b)

+/ $\div$

c)

-/X

d)

+/-

186.

When a question says to evaluate, what is it asking you to do?

a)

solve the equation

b)

solve a mystery

c)

Look the question up and down

d)

take an educated guess

187.

Solve:

4x + 18 = 34

a)

3

b)

4

c)

5

d)

6

188.

25=2x-7

a)

20

b)

18

c)

16

d)

14

189.

In the expression

8x + 10

when x=4

what should you do first?

a)

write out 8x+10=4

b)

replace x with 4

c)

divide 8 by 4

d)

add 8 + 10

190.

Evaluate:

8x + 10

when x=4

a)

42

b)

24

c)

32

d)

23

191.

Evaluate:

6x - 2

when x = 5

a)

20

b)

9

c)

28

d)

82

192.

Solve for y:

11 + 2y = -27

a)

-38

b)

-19

c)

38

d)

19

193.

Solve for y:

6y-11 = 13

a)

-4

b)

-24

c)

24

d)

4

194.

When there is a fraction that means I need to....

a)

add

b)

subtract

c)

multiply

d)

divide

195.

Solve for x:

$\frac{x}{7}$ - 12 = 9

a)

147

b)

3

c)

21

d)

-21

196.

$\frac{x}{3}$ - 4 = 16

a)

20

b)

60

c)

36

d)

4

197.

When you look for variables that are the same and combine them it's called...

a)

inverse operation

b)

distribution

c)

combine like terms

d)

variables

198.

Combine Like Terms:

6x + 3 + x + 12

a)

7x + 15

b)

6x + 15

c)

7x -15

d)

6x - 15

199.

Solve:

10x + 4 - 2x + 8 = 52

a)

5.333

b)

8

c)

3.333

d)

5

200.

Solve:

5x + 16 = 2x + 40

a)

8

b)

-24

c)

3.42

d)

24

201.

3(x+5)=30

a)

x=-5

b)

x=5

c)

x=10

d)

x=-10

202.

-5(x-6)=15

a)

x=-2

b)

x=-3

c)

x=-9

d)

x=3

203.

4(x+9)=20

a)

x=-4

b)

x=4

c)

x=14

d)

x=-14

204.

4/9(x+13)=8

a)

x=59

b)

x=-5

c)

x=5

d)

x=(72/4)

205.

1.5(x+7)=11.25

a)

x=0.5

b)

x=1.4

c)

x=-0.5

d)

x=2.6

206.

6(x+12)=-42

a)

x=19

b)

x=5

c)

x=-19

d)

x=-5

207.

4.5(x-9)=-13.5

a)

x=6

b)

x=-6

c)

x=9

d)

x=-9

208.

10(x-5)=-80

a)

x=13

b)

x=3

c)

x=-3

d)

x=-13

209.

7(x+8)=49

a)

x=-1

b)

x=-9

c)

x=1

d)

x=9

210.

0.1(x+7)=3.5

a)

x=-35

b)

x=-28

c)

x=35

d)

x=28

Math 8 Final Review

Total questions: 210

Worksheet time: 11hrs 39mins

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