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Algebra - yr 8 Flashcards | StudBud
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Algebra - yr 8
Algebra - yr 8
30 terms
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A #math #quiz to review the basics of algebra to Year 8
Flashcards
30 cards
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Practice quiz
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Host live
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Questions
30
Answers
1
Simplify
yz / 3yz
x/3
7xy / 21y
xyz / 3yz
2
Simplify 5
a
ร 3
b.
15ab
8ab
5a3b
3
The perimeter of this shape is
6x + 6y
2x + 6y + 6
x + 3y + 3
4
The simplified form of 12x + 4y - 3x is
15x + 4y
13xy
16xy - 3x
9x + 4y
5
True/False: 4ab and 3ba are NOT like terms
True
False
6
Expand this expression: -3(2x-3y)
6x + 9y
- 6x - 9y
9x - 6y
9y - 6x
7
Simplify: 4๐๐ x 2๐z
8x2yz
6x2yz
8xy2z
8xyz
8
The perimeter of this shape is:
11x
8x
28x2
22x
9
Simplify
2a/b
b/2a
2ab
ab/2
10
The perimeter of this shape is
12a + 6b
12a + 4b
16ab
11
True/False: x and 4x are like terms
True
False
12
The number of cookies in one tin plus another 2 cookies
n + 2
1n + 2
2
n
13
Which is the same as "x subtracted from 5"
5 - x
x - 5
14
x
2
y and 3xy
2
are like terms
False
True
15
Expand and simplify 9(d+3c) - 4(2d - 3c)
9d + 17c
d + 39c
d + 17c
7d - 17c
16
Let n be the number of cookies in a tin.
5n
n + 5
n5
5
17
Simplify (25x
4
y) รท (15x
3
)
5y / 3
5xy / 3
y
5y / 3x
18
In the expression the 5
k
+ 2
k
+ 3, you can't add the constant 3 to any other term because it is
like the other terms
unlike the other terms
19
2
m
2
โ 3
mn
+
m
2
โ 4
mn
= ?
3m2 - 7mn
3m2 + 7mn
-4m2mn
3m2 + mn
20
True/False: 5x and 4x
2
are like terms
False
True
21
Find the value of 3y + 4 for y = 2.
10
7
6
9
22
Another expression for 5x in the form 5x = ...... + ....... is:
5x = 4x + 1
5x = 6x - x
5x = 3x + 2x
a and b are correct
23
Select all the sets of like terms
a2, 7a2, a2/4
k ร z, k, z
3a, 11a, โa
15ac, 15mn, 15
24
Find the area for the following shape
24x
24x2
20x
10x
25
Find the area for the following shape
19xy
24x2y2
3x + 7y
21xy
26
Simplifying 3a รท (6b) gives
2
a/2b
2a/b
a/b
27
Find the value of 5 - 4a
2
given a = 2
3
21
-11
-3
28
Which is the correct way to write 3 x
a
x
b
x
b
?
ab3
3a2b
3ab2
3ab
29
Four cookies more than the number of cookies in 5 boxes is:
5n
n + 4
5n + 4
30
For b = 4, find the value of 16 - 3b
13
52
28
4