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GIANT 8th Math STAAR Review

Total questions: 83

Worksheet time: 7hrs 55mins

Name
Class
Date
1.
a)

A

b)

B

c)

C

d)

D

2.
a)

F

b)

G

c)

H

d)

J

3.
a)

A

b)

B

c)

C

d)

D

4.
a)

A

b)

B

c)

C

d)

D

5.
a)

F

b)

G

c)

H

d)

J

6.
a)

F

b)

G

c)

H

d)

J

7.
a)

A

b)

B

c)

C

d)

D

8.

Which equation is proportional?

a)

y=5x+1

b)

y=4x-3

c)

y=7x

d)

y=2x+7

9.
In order for a graph to be proportional it has to___?
a)
pass over the y-axis
b)
pass over the x-axis
c)
pass through the origin
10.
A square has a side length of 5 1/2 inches. This square is dilated by a scale factor of 4/5 to create a new square. What is the side length of the new square?
a)
4 4/5 in.
b)
4 1/4 in
c)
4 2/5 in
d)
not here
11.
Which set of ordered pairs represents y as a function of x?
a)
(-9,2), (0,6), (1,-2), (-3,6)
b)
(-1,0), (4,3), (-7,-3), (-1,-8)
c)
(3,2), (-4,-2), (3,1), (-4,1)
d)
(5,4), (2,3), (1,1), (2,4)
12.
A hatbox in the shape of a cylinder is modeled below. The diameter of the cylinder is 24 inches. The height of the cylinder is 8 inches, What is the volume of the cylinder?  V=BH
a)
4611.2
b)
3617.28
c)
3215.73
d)
2146.77
13.
What is the side of a right triangle when C=15 and B=7?
a)
13.27
b)
7
c)
3.2
d)
1.62
14.
Which of these measurements represent a right triangle?
a)
2cm,4cm,8cm
b)
6cm, 8cm, 10cm
c)
6cm, 15cm, 17cm
15.
What value of x makes this equation true?  0.6x-5=0.1x+7
a)
4
b)
14
c)
24
d)
6
16.

Trapezoid WKRP was translated 4 units to the left and 5 units up on a coordinate grid to create trapezoid W'K'R'P'. Which rule describes this transformation?

a)

(x y, ) → (x − 4, y + 5)

b)

(x y, ) → (x + 4, y − 5)

c)

(x y, ) → (x + 4, y − 5)

d)

(x y, ) → (x − 4, y − 5)

17.

Which representation shows y as a function of x?

a)
b)
c)
d)
18.

A bowling ball shaped like a sphere has a diameter of 21.6 centimeters. Which measurement is closest to the volume of the bowling ball in cubic centimeters?

a)

1,954.3 cm 3

b)

5,276.7 cm 3

c)

488.6 cm 3

d)

42,213.4 cm 3

19.

Triangle TRW is shown on the coordinate grid.

Triangle TRW will be dilated by a scale factor of n with the origin as the center of dilation to create triangle T'R'W'. Which ordered pair best represents the location of point R'?

a)
b)

( 3− n, −5n)

c)

( -3 + n, −5 + n)

d)

( -3 − n, − 5 -n)

20.

A student’s parents invested $5,000 in a college savings account that pays 4.85% annual simple interest. No additional deposits or withdrawals will be made. Which amount is closest to the interest earned on the account at the end of 15 years?

a)

$5,174.11

b)

$10,174.11

c)

$3,637.50

d)

$8,637.50

21.

A water tank currently contains 275 gallons of water. The amount of water in the tank will decrease at a constant rate of 15 gallons per week.

Which function can be used to find t, the total number of gallons of water in the tank after w weeks?

a)

t = 15w − 275

b)

t = −15w + 275

c)

t = 275w − 15

d)

t = −275w + 15

22.

The scatterplot shows the height in centimeters and weight in kilograms of several students.

Based on the scatterplot, which is the best prediction of the height in centimeters of a student with a weight of 64 kilograms?

a)

152 cm

b)

160 cm

c)

162 cm

d)

156 cm

23.

A transformation is applied to a figure to create a new figure on a coordinate grid. Which transformation does NOT preserve congruence?

a)

A rotation of 270° counterclockwise

b)

A reflection across the y-axis

c)

A dilation by a scale factor of 1.5

d)

A translation of 50 units down

24.

A teacher bought markers at a cost of $3 per set. The teacher had a $2-off coupon to use toward the total cost of the markers bought.

Which table shows the relationship between x, the number of sets of markers bought by the teacher, and y, the total cost of the markers?

a)
b)
c)
d)
25.

The diameter of a cylinder is 2.5 inches, and the height is 7.5 inches. Which equation can be used to find V, the volume of the cylinder in cubic inches?

a)
b)
c)
d)
26.

Triangle KLM and triangle PRS are similar right triangles.

Which proportion can be used to show that the slope of KM is equal to the slope of PS?

a)
b)
c)
d)
27.

A math teacher observed that as the number of hours students studied their multiplication facts increased, the number of errors the students made on their multiplication tests decreased. Which scatterplot could support this teacher’s observation?

a)
b)
c)
d)
28.

Polygon LMNPQR is shown on the coordinate grid and models the shape of a garden in a park. Polygon LMNPQR will be dilated with the origin as the center of dilation to create polygon L M′ ′N′P′Q′R′. The vertex Q′ will be located at (21, 7).

Which rule best represents the dilation?

a)
b)
c)
d)
29.

The graph of a linear function passes through the points (-1, -1/4) and (1, -3/4).

Which equation represents the function?

a)
b)
c)
d)
30.

What is the formula for Simple Interest? Use your formula chart

a)

I = P+r+t

b)

A= Prt

c)

I =Prt

d)

A= P (1+r)t

31.

What is the formula for Compound Interest? Use your formula chart.

a)

I= Prt

b)

A= P(1+r)t

c)

I = P(r)t

32.

If you use the formula for compound interest, A=P(1+r)t . The answer will equal the total amount in the account. Total amount is the interest added to the principal.

a)

True.

b)

False.

33.

Marcus deposited $2000 into an account that earns 3.5% annually compounded interest. What is his total balance after 6 years?

a)

$2,000

b)

$2,350

c)

$2781.35

d)

$2458.51

34.

Faith invested $4,000 into an account with a simple interest rate of 18%. Sam has $5,000 invested in an account with a compound annual interest rate of 15%. If they both leave their investments in for 4 years, what is the difference in the interest they receive?

a)

$214.52

b)

$116.03

c)

$2999.03

d)

$2880.00

35.
Solve for x. 
a)
38.9
b)
40.2
c)
45.6
d)
54
36.
What is the opposite of squaring a number?
a)
divide
b)
multiply 
c)
fractions
d)
square root
37.
Find x.
a)
35
b)
20
c)
8
d)
12
38.

Match the following

a)
1.

13

b)
2.

10.4

c)
3.

28.9

d)
4.

4.9

39.

The dimensions of a photograph are 4 inches by 6 inches.  John is measuring the diagonal of the photograph to match it to a picture frame.  Which measurement is closest to the length of the diagonal in inches?

a)

7.2

b)

10

c)

3.2

d)

5

40.



(a)  

41.



(a)  

42.

How would you write 4.3756 x 104 in standard form?

(a)  

43.

How would you write 0.0005 in scientific notation?

a)

50 x 10-5

b)

5 x 10-4

c)

5 x 103

d)

.5 x 103

44.
Scientific Notation is made up of two number parts. The first part should be a number between 1 and 100.
a)
True
b)
False
45.

Convert to scientific notation:


520,000,000

a)

52 x 107

b)

5.2 x 10-7

c)

5.2 x 108

d)

0.52 x 109

46.

What is scientific notation?

a)

A long way to write really short numbers

b)

A short way to write really large or really small numbers

c)

I don't know...

d)

None of the above

47.

If the exponent is a negative number the original number was...

a)

a really large number.

b)

a really small number.

48.

If the exponent is a positive number the original number was...

a)

a really big number.

b)

a really small number.

49.

Match the following volume formulas to correct three-dimensional figures.

a)

πr2⋅h\pi r^2\cdot h

1.

Volume formula for a Cylinder

b)

s3s^3

2.

Volume formula for a cube

c)

l⋅w⋅hl\cdot w\cdot h

3.

Volume formula for a rectangular prism

d)

13πr2⋅h\frac{1}{3}\pi r^2\cdot h

4.

Volume formula for a cone

e)

43πr3\frac{4}{3}\pi r^3

5.

Volume formula for a sphere

50.
What is volume?
a)
The amount of space of a 2-D object
b)
The amount of space in a 3-D object
c)
Water
d)
Area
51.
In the formula V=Bh, what B stand for?
a)
Base
b)
Area
c)
Area of the base
d)
height
52.
Which equation can be used to find the volume of this figure?
a)

V= (8 x 7) (13)

b)

V= (8 x 13) ( 7)

c)

V= (1/2 x 8 x 13) (7)

d)

V= (1/2 x 8 x 7) (13)

53.
Find the volume of the figure.
a)
150.72 cm³
b)
75.36 cm³
c)
452.16 cm³
d)
151 cm³
54.
What's the volume of this sphere?
a)
78.5 m3
b)
392.5 m3
c)
523.6 m3
d)
62.8 cm3
55.

Match the Graph with its slope.

a)
1.

Negative

b)
2.

Positive

c)
3.

Zero

d)
4.

Undefined

56.

Slope is know as

rise/______

a)

run

b)

fall

c)

none

d)

rise

57.

Find the slope of the line below using rise/run.

a)

23\frac{2}{3}

b)

32\frac{3}{2}

c)

3

d)

13\frac{1}{3}

58.

Find the slope. Simplify, if you can.

a)

25\frac{2}{5}

b)

52\frac{5}{2}

c)

2 122\ \frac{1}{2}

d)

2

59.
In the equation y=mx+b, what does the m represent?
a)
slope
b)
y-intercept
c)
linear
d)
point-slope
60.
What does 'b" represent in y=mx+b
a)
y-intercept
b)
macaroni
c)
nothing
d)
slope
61.
What is the slope in the equation y=2x + 3?
a)
2
b)
3
c)
5
d)
Cannot be Determined 
62.

What is the y-intercept of the line with the equation
y = −2x + 4y\ =\ -2x\ +\ 4  

a)

−2-2  

b)

22  

c)

44  

d)

−4-4  

63.

Graph the line with the equation
y = −23x + 4y\ =\ -\frac{2}{3}x\ +\ 4  

a)
b)
c)
d)
64.

Find the slope from the given points:

(3,-1) (4,7)

(a)  

65.
Write a equation:  A plumber charges $50 for a house call plus $12 per hour for labor.
a)
y = 50 x + 12
b)
y =12 x + 50
c)
y = 62 x
d)
x = 50 + 12y
66.

Match the following

a)

y=mx+b

1.

Linear Equation

b)

b

2.

y-intercept

c)

m

3.

slope

d)

Slope

4.

Measure of steepnes

e)
5.

Negative slope

67.

Write the equation that represents this word problem:


Marsha gets a job that pays $15 per hour, and she started the week with $20

a)

y= 15x + 20

b)

y= 20x + 15

c)

y= 15 + 20

d)

y= 20 + 15

e)

Answer Not Here

68.

What is the equation for the situation?

A holiday meal catered by Chipotle costs $12.50 a person plus a delivery fee of $30.

a)

y = 12.5x + 30

b)

y = 12.5 + 30

c)

y = 12.5 + 30x

69.

Choose the best explanation to represent the data in the graph.

a)

Taylor can write 6 words per minute

b)

Taylor can write 25 words per minute

c)

Taylor can write 50 words per minute

d)

Taylor can write 150 words per minute

70.

Translations, rotations, and reflections are three different types of what?

a)

Transformations

b)

Geometry

c)

Vectors

d)

Shapes

71.

A turn is also called a ___________.

a)

Translation

b)

Reflection

c)

Rotation

d)

Transformation

72.

A slide is also called a _________.

a)

Translation

b)

Reflection

c)

Rotation

d)

Transformation

73.

A flip is also called a _________.

a)

Translation

b)

Reflection

c)

Rotation

d)

Transformation

74.

Congruent means...

a)

The same angles.

b)

The same size and same shape.

c)

Equal to.

d)

The same transformation.

75.

Is the blue shape Image or Preimage?

a)

Image

b)

Preimage

c)

We can't tell!

76.
When you translate, (x-4,y) will move _____.
a)
4 units right
b)
4 units left
c)
4 units up
d)
4 units down
77.
Identify the transformation from ABC to A'B'C'.
a)
90o clockwise rotation
b)
90o counter clockwise rotation
c)
Reflection across the y-axis
d)
Reflection across the x-axis
78.
Triangle ABC is going to be translated. Where would  A' position be at, if the translation was be (x,y) --> (x+3, y-2)?
a)
(-1,3)
b)
(5,3)
c)
(5,8)
d)
(3,5)
79.
What transformation is happening?
(x, y) ----> (x + 2, y - 3) 
a)
slide up 2, left 3
b)
slide right 2, up 3
c)
slide right 2, down 3
d)
slide left 3, right 2
80.
Reflect the point (2, -4) over the y-axis.
a)
(-4, 2)
b)
(-2, 4)
c)
(-2, -4)
d)
(2, 4)
81.
∆QRS contains the points: Q(4, 2) R(5, 1) S(3,7). If the triangle is reflected across the y-axis, what will S' be?
a)
S'(3, 7)
b)
S'(-3, 7)
c)
S'(-3, -7)
d)
S'(3, 7)
82.
Dilate the figure by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image?
A(3,3) B(6,6) C(9,3)
a)
A'(9,9) B'(18,18) C'(27,9)
b)
A'(6,6) B'(9,9) C'(12,6)
c)
A'(0,0) B'(3,3) C'(6,0)
d)
A'(1,1) B'(2,2) C'(3,1)
83.
State the coordinate of the image of the given point B (-10,-6) under a dilation with center at the origin with the given scale factor k = 1/2.
a)
(5,3)
b)
(20,12)
c)
(-20,-12)
d)
(-5,-3)

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