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Algebra - Simplifying expressions Flashcards | StudBud
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Algebra - Simplifying expressions
Algebra - Simplifying expressions
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A #math #quiz to review the basics of algebra to Year 8
Flashcards
21 cards
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Practice quiz
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Questions
21
Answers
1
The perimeter of this shape is:
22x
8x
11x
28x2
2
True/False: 4ab and 3ba are NOT like terms
True
False
3
Which is the same as "x subtracted from 5"
5 - x
x - 5
4
Select all the sets of like terms
15ac, 15mn, 15
a2, 7a2, a2/4
k × z, k, z
3a, 11a, −a
5
Another expression for 5x in the form 5x = ...... + ....... is:
5x = 4x + 1
5x = 6x - x
5x = 3x + 2x
a and b are correct
6
The perimeter of this shape is
12a + 6b
16ab
12a + 4b
7
2
m
2
− 3
mn
+
m
2
− 4
mn
= ?
3m2 + 7mn
-4m2mn
3m2 + mn
3m2 - 7mn
8
x
2
y and 3xy
2
are like terms
True
False
9
Find the value of 3y + 4 for y = 2.
7
10
6
9
10
Let n be the number of cookies in a tin.
5n
n5
5
n + 5
11
True/False: 5x and 4x
2
are like terms
False
True
12
Four cookies more than the number of cookies in 5 boxes is:
5n
n + 4
5n + 4
13
Find the value of 5 - 4a
2
given a = 2
3
21
-3
-11
14
The simplified form of 12x + 4y - 3x is
15x + 4y
16xy - 3x
13xy
9x + 4y
15
For b = 4, find the value of 16 - 3b
52
4
28
13
16
True or false? 7
k
and 3 are like terms.
True
False
17
The perimeter of this shape is
2x + 6y + 6
x + 3y + 3
6x + 6y
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
The number of cookies in one tin plus another 2 cookies
n
1n + 2
n + 2
2
20
Select all the expressions below that are equivalent to 3k
2k + k
3 + k
3 × k
k + k + k + k
21
True/False: x and 4x are like terms
False
True
