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Flashback Friday

Total questions: 70

Worksheet time: 3hrs 29mins

Name
Class
Date
1.

Does the given value make the inequality true? x + 9 > 21, when x = -15

a)

Yes

b)

No

2.
a)
x = -8
b)
x = 8
c)
x = -4
d)
x = 4
3.
a)
x = 1
b)
x = -1
c)
x = -7
d)
x = 7
4.
Which equation is being represented by this line?
a)
y = -1x + 2
b)
y = 1/2x + 2
c)
y = 3x -4
d)
y = -3x +2
5.
Write an equation for the model above.
a)
x + 3 = -9
b)
x - 3 = 9
c)
3x + 1 = 9
d)
3x - 1 = 9
6.

Which equation matches the picture above?

a)

t = 3

b)

t + 4 = 7

c)

1 + 4 = 7

d)

4t + 1 = 7

7.
What equation is modeled?  Solve the equation.
a)
x -6 = 13     x = 19
b)
x + 6 = 13    x = 7
c)
x + 6 = 13    x = 8
d)
x - 6 = 13   x = 7
8.

What is the most specific classification of 10/5?

a)

Natural

b)

Integer

c)

Whole

d)

Rational

9.

What is the most specific classification of -12/4?

a)

Natural

b)

Integer

c)

Whole

d)

Rational

10.

What is the most specific classification of 0?

a)

Natural

b)

Integer

c)

Whole

d)

Rational

11.

What is the most specific classification of -5.2?

a)

Natural

b)

Integer

c)

Whole

d)

Rational

12.

Pam drew a scale drawing of a game room. She used the scale 1 inch : 2 feet. If the air hockey table is 5 inches in the drawing, how long is the actual air hockey table?

a)

10 Feet

b)

2.5 Feet

c)

5 Feet

d)

15 Feet

13.

Desmond measured a city park and made a scale drawing. The scale he used was 1 centimeter : 9 meters. The actual width of the soccer field is 54 meters. How wide is the field in the drawing?

a)

6 cm

b)

486 cm

c)

9 cm

d)

54 cm

14.

Alan drew a scale drawing of a house and its lot. The scale he used was 1 millimeter : 5 meters. In the drawing, the lawn in the backyard is 10 millimeters long. What is the length of the actual lawn?

a)

50 m

b)

2 m

c)

10 m

d)

5 m

15.

Brody drew a scale drawing of a campsite. He used the scale 1 inch : 3 feet. If the actual width of the tent is 6 feet, how wide is the tent in the drawing?

a)

2 in

b)

1 in

c)

3 in

d)

18 in

16.
Mrs.Mroc has 35 students in her science class.If her class increases to 42 students next year, what will be the percent of change?
a)
20%
b)
75%
c)
93%
d)
33%
17.
The Polar Express movie is $12 and it will be on sale for $8.What is the percent of change if the cost decreased $4?
a)
15%
b)
33%
c)
10%
d)
32%
18.
Mary lost 30 pounds.  Before her diet she weighed 180 pounds.  What is the percent of change?
a)
17% Decrease
b)
19% Decrease
c)
25% Decrease
d)
20% Decrease
19.
4. A DVD movie originally cost $24.99. Its current price is $19.99. What is the percent of change rounded to the nearest percent?
a)
20%
b)
20.008%
c)
25%
d)
25.01%
20.

Which equation matches the table.

a)

y = 1/3x +3

b)

y = 4x +3

c)

y = -4x +3

d)

y = 4x -3

21.
Which of the following is an integer?
a)
0.5
b)
-36.7
c)
3/4
d)
-2
22.

An equation is modeled. The yellow = 1. The red = -1. What is the value of x?

a)

0.5

b)

3

c)

-3

d)

-1

23.

Which equation could be used to find the values in the table?

a)

y = x -13

b)

y = x +13

c)

y = -3x +13

d)

y = -x +13

24.
Which of the following is a natural number?
a)
0
b)
-5
c)
3.7
d)
100
25.
Which of the following is a rational number?
a)
8/4
b)
-37
c)
66.98
d)
21
26.
8X - 12 ≥ -4
a)
X ≤ 1
b)
X ≥ 1
c)
X ≥ -2
d)
X ≤ -2
27.
Lucy pay $224 in advance on her account at the health club. Each time she visits the club, $7 is deducted from her account. Write an equation that represents the value remaining in her account after x visits.
a)
y= 224-7v
b)
y= 224v +7
c)
y= 224+7v
d)
y= 224v-7
28.
Which statement below accurately represents the graph?
a)
$100 is earned for each hour worked
b)
$200 earned for every 2 hours worked
is the unit rate
c)
$500 is earned for every 8 hours worked
d)
$250 is earned after working 3 hours
29.
Joe is saving for a new $500 bike. He currently has $125. If he saves $15 per week, how long must he wait to save at least $600 to cover tax and extras?
a)
125w + 15 = 500.
b)
125 + 15w ≥ 600
c)
125 + 15w > 600
d)
125 - 5w ≥ 600
30.
The arrow shown is on a sign. What is the area of the arrow?
a)
17 in2
b)
40 in2
c)
52 in2
d)
61 in2
31.
Matching sides are called
a)
Corresponding Sides
b)
Corresponding Angles
c)
The Same
d)
Congruent Sides
32.
Angles in the same position are called
a)
Corresponding Sides
b)
Corresponding Angles
c)
The Same
d)
Congruent Angles
33.
Two objects that are the same shape but not the same size are _______.
a)
Congruent
b)
Vertical
c)
Similar
d)
Complementary 
34.

Gwen scans a photo that is 4 in. wide by 6 in. tall into her computer. If she scales the height down to 3 in., how wide should the similar photo be? Hint: Think about the common ratio.

a)

3 in

b)

2 in.

c)

4 in

d)

1 in

35.
Two objects that are the same shape but not the same size are _______.
a)
Congruent
b)
Vertical
c)
Similar
d)
Complementary 
36.
Sides in similar figures must be proportional.  
a)
True
b)
False 
37.
In similar Polygons, corresponding sides are ___ and corresponding angles are ___. (Fill in the blanks)
a)
congruent, proportional 
b)
proportional, congruent 
c)
congruent, congruent
d)
proportional, proportional
38.

What is the formula for finding the area of a circle?

a)

A = π·d

b)

C = 2·π·r

c)

A = π·r2

d)

C = π·d

39.

What does r represent in the formula:

A = π·r2

a)

circumference

b)

radius

c)

diameter

d)

squared

40.

What is the radius of a circle?

a)

halfway through a circle

b)

a line through the center of a circle

c)

the amount of space inside of the circle

d)

the distance around a circle

41.

What is the symbol for pi?

a)

#

b)

π

c)

&

d)

%

42.

Find the area of the circle.

a)

18.84 m2

b)

113.04 m2

c)

37.68 m2

d)

452.16 m2

43.

Find the area of the circle.

a)

176.6 cm2

b)

706.5 cm2

c)

23.6 cm2

d)

50.24 cm2

44.

Find the area of the circle.

a)

9.42 cm2

b)

7.07 cm2

c)

28.26 cm2

d)

4.71 cm2

45.

Find the area of the circle.

a)

12.56 cm2

b)

25.12 cm2

c)

50.24 cm2

d)

200.96 cm2

46.
What is the y-intercept of this equation? 
y = 5x + 8 
a)
(0, 5)
b)
(5, 0) 
c)
(0, 8) 
d)
(8, 0) 
47.
What is the equation of the line that goes through these points?
a)
y = 3x + 3
b)
y = 3x + 2
c)
y = 2x + 3
d)
y = 3x + 7 
48.
What is the equation of the line that passes through these points?
a)
y = 3x + 2
b)
y = 2x + 3
c)
y = -2x + 3
d)
y = 2x - 3 
49.
Which equation best describes a relationship between x and y in the table shown?
a)
y=1/4x+3
b)
y=4x+12
c)
y=-3x-3
d)
y=-2x-12
50.
Write the equation.
a)
y = 4x + 3
b)
y = 4x -3
c)
y = 3x + 4
d)
y = 8x + 2
51.
Write the equation.
a)
y = 2x - 5
b)
y = 2x + 5
c)
y = 5x + 2
d)
y = 2x - 2
52.
What is the "formal" definition of pi?
a)
22/7
b)
3.1415926
c)
the ratio of a circle's circumference to its diameter
d)
the surface area of a sphere of diameter 22/7
53.

_____________ is the distance around the circle

a)

circumference

b)

center

c)

radius

d)

diameter

54.

Which of the following formulas do we use to find the Circumference of a circle when given the radius?

a)

C = πdC\ =\ \pi d

b)

C = 2πrC\ =\ 2\pi r

c)

A = πr2A\ =\ \pi r^2

d)

C = πr2C\ =\ \pi r^2

55.

Which of these best describes  π?\pi?  

a)

The square root of the area of a circle.

b)

The ratio of the radius of a circle to its diameter.

c)

The radius of a circle times 3.14. 

d)

The ratio of the circumference of a circle to its diameter.

56.

Which of the following equations represents the relationship between the circumference, C, and the diameter, d, of any circle?

a)

C = πrC\ =\ \pi r

b)

Cd =πCd\ =\pi

c)

π= Cr\pi=\ \frac{C}{r}

d)

π=Cd\pi=\frac{C}{d}

57.

What number is pi?

a)

1.41

b)

3.14

c)

2

d)

5.14

58.

Which equation matches the graph?

a)

y = 1/3x + 3

b)

y = 3x

c)

y = x +3

d)

y = 3x + 3

59.

Which equation matches the table?

a)

y =4 x + 7

b)

y = 1/4x +11

c)

y = 4x -11

d)

y = 11x + 4

60.

Does this graph show a proportional relationship?

a)

Yes, because it is linear

b)

Yes, because it is linear and goes through the origin.

c)

No, because it is not linear

d)

No, because it does not go through the origin.

61.

Sally will earn $30 for every 5 hours that she babysits. Which of the following equations can be used to represent the proportional relationship?

a)

y = 1/6x +30

b)

y = 6x

c)

y = 5x + 6

d)

y = 6x +5

62.

Proportional relationships must go through the origin. (0,0)

a)

True

b)

False

63.

Which of these terms is NOT used to describe the "m" in the equation y=mx+b.

a)

Constant rate of change

b)

starting point

c)

unit rate

d)

Constant of proportionality

64.

Find the constant rate of change.

a)

1/2

b)

-1/2

c)

2

d)

-2

65.

What is the value of "b" in the following equation:

y = 2x

a)

2

b)

1

c)

0

d)

none of the above

66.

Johnny went to the carnival. It cost $7 to get in and $2 for every ticket.

Which equation would match this verbal description?

a)

y = 2x

b)

y = 7x + 2

c)

y = 7x + 0

d)

y = 2x + 7

67.

What can you use to represent linear relationships?

a)

verbal descriptions

b)

equations

c)

graphs

d)

tables

e)

all of the above

68.

Billy opened a bank account with $200, and every week he spends $15.

Which equation best represents this situation?

a)

y = -15x + 200

b)

y = 15x - 200

c)

y = 200x + 15

d)

y = 15x + 200

69.

What values would be in the next row?

a)

11 & 16

b)

10 & 22

c)

10 & 20

d)

11 & 22

70.

Which of the following equations does NOT match the table?

a)

y = 25/2x

b)

y = 2/25x

c)

y = 12.5x

d)

y = 12.5x + 0

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