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8th Grade Math STAAR Review May Flashcards | StudBud
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8th Grade Math STAAR Review May
8th Grade Math STAAR Review May
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A review of the most important concept that will be on the 8th grade math retest.
Flashcards
52 cards
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Practice quiz
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Host live
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Questions
52
Answers
1
What value of y makes the following equation true?
-12
-2.5
12
2.5
2
What is the equation of the line?
y=-4x+2
y=4x+2
y=2x+4
y=-2x+4
3
Determine whether the graph displays a function.
Yes, it is a function.
No, it is not a function.
4
How could you write the following number in standard notation?
732,000
0.0000732
73,200,000
0.00000732
5
Which variable represents the hypotenuse?
b, the height of the triangle
c, the side opposite the right angle
a, the side side the forms a right angle
6
Determine whether the equation is proportional.
Non-Proportional, because the line doesn't go through (0,0)
Proportional, because the slope is positive
Non-Proportional, because the slope is negative
Proportional, because the line passes the vertical line test
7
Which transformation is decribed using (x, y) → ( y, -x)?
Translation
Dilation
Reflection
Rotation
8
(x, y) → (x + 7, y - 9) describes a
Translation
Reflection
Rotation
Dilation
9
Determine whether the graph displays a function.
No, it is not a function.
Yes, it is a function.
10
Determine whether the graph displays a function.
No, it is not a function.
Yes, it is a function.
11
Which of the following correctly describes the relationship shown?
Not enough information to determine the relationship.
As the reading scores increase, the writing scores decrease.
There is no relationship between the scores.
As the reading scores increase, the writing scores increase.
12
Which formula could be used to find the amount of space inside?
S = Ph
S = 2πr + 2πr2
V = Bh
S = Ph + 2B
13
Determine whether the graph displays a function.
Yes, it is a function.
No, it is not a function.
14
Determine whether the following graph is a function.
Yes, it is a function.
No, it is not a function.
15
What value of x makes this equation true?
14
6
4
24
16
Which formula could be used to find the amount of wrapping paper needed to cover the figure?
S = Ph + 2B
V = Bh
V = 1/3Bh
S = Ph
17
Which formula could be used to find the amount needed to paint ONLY the walls of the room?
A = bh
S = Ph
V = Bh
S = Ph + 2B
18
Which of the following is NOT a function?
A
D
B
C
19
When you are dilating a figure, what operation will you be using to find the new points?
Subtraction
Addition
Multiplication
Division
20
What is the y-intercept for the line shown on the graph?
2
8
-2
-4
21
What is the shape of the base?
Rectangle
Triangle
Prism
Pyramid
22
When a figure is reflected across the x-axis...
the figure is enlarged.
the x-value becomes the opposite.
the y-value and x-value switch places.
the y-value becomes the opposite.
23
Which of the following describes a dilation?
(x, y) → (-x, y)
(x, y) → (1/2x, 2y)
(x, y) → (x+2, y+2)
(x, y) → (2x, 2y)
24
Which of the following is 0.0000304 in scientific notation?
3.04 x 10-4
30.4 x 10-4
3.04 x 105
3.04 x 10-5
25
The scale factor for a dilation in which the new figure is bigger than the old figure is:
Greater than 0 but less than 1
Greater than 1
Equal to 1
26
(x, y) → (x, -y) describes a
Translation
Reflection
Rotation
Dilation
27
Determine whether the graph shows a function.
No, it is not a function.
Yes, it is a function.
28
What does the following formula help determine?
Volume of a prism
Volume of a cylinder
Volume of a cone
Volume of a sphere
29
What does it mean when two figures are "congruent"?
They are similar figures.
The figures have the same size and shape.
The figures have the same shape, but not the same size.
The original figure was dilated to create the new figure.
30
What does the m in y=mx+b represent?
x-intercept
y-intercept
slope
31
When dilating a figure, what mathematical operation should be used?
Addition
Subtraction
Square root
Multiplication
32
Which of the following correclty identifies the value if the y-intercept?
b = -4
b = 2
b = 8
b = 0
33
Which correctly describes the exponent when a small number is written in scientific notation?
The exponent is positive.
There is not enough information.
The exponent is negative.
34
What is the Pythagorean Theorem formula?
a2 + b2 = c
a2 - b2 = c2
a2 + b2 = c2
a2 = b2 + c2
35
What is the slope described in the table?
-1/4
4
-4
1/4
36
If two angles (5x+24)° and (9x-17)° are congruent, what is the value of x?
0.5
1.75
13.2
10.25
37
Which operations could be used to translate a figure on a coordinate plane?
The x becomes the opposite.
The coordinates are switched.
Multiplication
Addition and subtraction.
38
In the volume formula, what does B stand for?
the area of the base
the base
the perimeter of the base
39
Which formula could be used to find the amount of empty space inside?
V = Bh
V = 1/3Bh
S = Ph + 2B
V = 4/3πr3
40
When finding surface area, what does P stand for:
the area of the base
the perimeter of the base
the base
41
Which of the following does NOT describe slope?
Δy / Δx
x / y
y2 - y1 / x2 - x1
rise/run
42
Which transformation does NOT preserve congruence?
Reflection
Translation
Rotation
Dilation
43
In the linear equation y = -1/3x + 7, the...
slope is 7 and the line crosses the x-axis at (-1/3, 0).
the slope is 7 and the line crosses the y-axis at (0, -1/3).
slope is -1/3 & crosses the y-axis at (0,7).
slope is -1/3 & crosses the x-axis at (0, 7).
44
Which transformation does NOT preserve congruence?
Translation
Rotation
Reflection
Dilation
45
What does the b in y=mx+b represent?
x-intercept
slope
y-intercept
46
In the equation y = 2x - 9, the slope of the line is...
-9
(0, -9)
2x
2
47
Which transformation often effects the order of the coordinates?
Translation
Reflection
Rotation
Dilation
48
(x, y) → (-x, -y) describes a
Translation
Rotation
Reflection
Dilation
49
Which transformation is described using the representation (x, y) → (x + 5, y - 7)?
Dilation
Translation
Reflection
Rotation
50
What is the slope of the line shown on the graph?
-1/2
-2
2
2/4
51
The scale factor for a dilation in which the new figure is smaller than the old figure is:
Equal to 1
Greater than 1
Greater than 0, but less than 1
52
Which formula should be used to find the volume of the 3D shape?
V = πr2
V = 4/3 πr3
V = 1/3 Bh
V = Bh
