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Yr 7 Algebra - revision Flashcards | StudBud
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Yr 7 Algebra - revision
Yr 7 Algebra - revision
24 terms
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A #math #quiz to review the basics of algebra to Year 7
Flashcards
24 cards
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Practice quiz
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Questions
24
Answers
1
2
m
2
− 3
mn
+
m
2
− 4
mn
= ?
3m2 + 7mn
-4m2mn
3m2 - 7mn
3m2 + mn
2
Simplify 5
a
× 3
b.
8ab
15ab
5a3b
3
Select all the expressions below that are equivalent to 3k
3 × k
3 + k
k + k + k + k
2k + k
4
Find the value of 5 + 4a
2
if a = 2
13
21
25
23
5
Four cookies more than the number of cookies in 5 boxes is:
5n
n + 4
5n + 4
4n + 5
6
True/False: x and 4x are like terms
False
True
7
Let n be the number of cookies in a tin.
n + 5
n5
5
5n
8
In the expression the 5
k
+ 2
k
+ 3, you can't add the number 3 to the other terms because it
doesn't have a 'k' attached
it isn't LIKE the other terms
is the constant
9
The number of cookies in one tin plus another 2 cookies
n + 2
2
n
1n + 2
10
x
2
y and 3xy
2
are like terms
True
False
11
True/False: 5x and 4x
2
are like terms
True
False
12
The perimeter of this shape is:
22x
8x
11x
28x2
13
True or false? 7
k
and 3 are like terms.
False
True
14
The simplified form of 12x + 4y - 3x is
13xy
16xy - 3x
15x + 4y
9x + 4y
15
Substitute b = 4, to find the value of 16 - 3b
13
28
4
52
16
Find the value of 3y + 4 substituting y = 2.
7
10
9
6
17
The perimeter of this shape is
x + 3y + 3
6x + 6y
2x + 6y + 6
18
Find the area for the following shape
20x
10x
24x
24x2
19
Another expression for 5x in the form 5x = ...... + ....... is:
5x = 4x + 1
5x = 6x - x
a and b are correct
5x = 3x + 2x
20
Select all the sets of like terms
15ac, 15mn, 15
k × z, k, z
a2, 7a2, a2/4
3a, 11a, −a
21
Which is the correct way to write 3 x
a
x
b
x
b
?
3ab2
ab3
3a2b
3ab
22
True/False: 4ab and 3ba are NOT like terms
True
False
23
Which is the same as "x subtracted from 5"
x - 5
5 - x
x\div5
5x
24
The perimeter of this shape is
12a + 4b
16ab
12a + 6b