Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Math 8 > Practice Problems > Flashcards

Practice Problems Flashcards

1
Q

Find the GCF of 45&75

A

15

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Find the GCF of 14&49

A

7

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Find the GCF of 12, 18 &30

A

6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Simplify 4/48

A

1/12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Simplify 132/156

A

11/13

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Find the LCM 3m^2 and 15m^2n^2

or find the LCM of 3(m to the power of 2) and 15(m to the power of 2)*2(n to the power of two)

A

225x^5y^2z

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Estimate to the nearest -1, -1/2, 0, 1/2, or 1.

3/17

A

0

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Estimate to the nearest -1, -1/2, 0, 1/2, or 1.

-2/105

A

0

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Estimate to the nearest -1, -1/2, 0, 1/2, or 1.

55/100

A

1/2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Estimate to the nearest -1, -1/2, 0, 1/2, or 1.

-95/120

A

-1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Write the expression using one exponent.
(A carrot symbol^ with a number behind it is an exponent)
(m^3 * n^5 * y^2)

A

m^12 * n^20 * y^8

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Write the expression using one exponent.
(A carrot symbol^ with a number behind it is an exponent)
(a^4 * b5 *c^6) ^2

A

a^8 * b^10 * c^12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the decimal form of 5/11?

A

0.45 repeating

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Solve for n.

-2.95+ n=0

A

n=2.95

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Write in scientific notation.

0.0000667

A

6.67 x 10^-5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Write in scientific notation.

0.0000000444

A

4.44 x 10^ -8

17
Q

Write in scientific notation.

460,000,000,000

A

4.6 x 10^11

18
Q

Square the number

2/7

A

4/49`

19
Q

Square the number

1100

A

1,210,000

20
Q

Square the number

1.2 x 10^5

A

1.44 x 10^10
or
14,400,000,000

21
Q

Tell me between what two integers the square root of 11 is.

A

3 &4

22
Q

Tell me between what two integers the square root of 92 is.

A

9&10

23
Q

Classify the number as rational or irrational.

0.4321

A

Rational

24
Q

Classify the number as rational or irrational.

(-0.3)^4

A

rational

25
Q

Classify the number as rational or irrational.

0.5656565656565656…….

A

irrational

26
Q

Classify the number as rational or irrational.

The square root of 40.

A

Irrational

27
Q

Classify the number as rational or irrational. The square root of 100

A

Rational because it is a perfecct square.

28
Q

Find the third side of the right triangle if a=?

b=12m and c=15m

A

a=9m

29
Q

Find the third side of the right triangle if a=80dm, b=60dm, c=?

A

C=100dm

30
Q

Determine if a=3 b=4 c=5 is a pythagorean triple

A

It is

31
Q

How many terms are in this expression?

6c)(g7)(333

A

none. Multiplication does not separate terms.

32
Q

How many terms are in this expression?

55+7+h7-22-8+88888888888

A

6 terms

33
Q

Solve for y.

y-16=94

A

y=110

34
Q

Solve for y.

y+ 29=46

A

y=17

Math 8 (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions