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Year 08 Basic Algebra Flashcards | StudBud
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Year 08 Basic Algebra
Year 08 Basic Algebra
31 terms
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BASICS OF ALGEBRA
Flashcards
31 cards
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Practice quiz
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Questions
31
Answers
1
For the expression, -10r + s + 12sr, the coefficient of r is
10
0
12
-10
2
State the coefficient of b in the expression 3a + 4ab + 5b
2
+ 7b.
5
5 & 7
7
4a & 5 &7
3
Evaluate the expression 2x – 3y when x=1 and y =4
-11
11
-10
10
4
The expression 5a + 7b + c – 3ab + 6 has how many terms
5
6
3
4
5
For the expression, 5h+12jh+11 the coefficient of h is
11
0
5
12j
6
The expression 3x - 2y +14z + 8 has no constant term.
False
True
7
In Maths a pronumeral is also called
term
coefficient
expression
variable
8
The sum of a variable y and a number 5 can be expressed as
y
5-y
y-5
y+5
9
Which of the following pairs are not like terms
–15ab2c and –10cba2
–3x2y and 5x2y
11q2r and 10rq
12ab2 and 10b2a
10
The product of 7 and t is
7/t
7-t
7T
7t
11
The number in front of a pronumeral is called as
coefficient
expression
term
variable
12
Are 5abc and –8cba like terms?
No
Yes
13
An expression is a combination of
numbers combined with mathematical operations
numbers and pronumerals with mathematical operations
None
pronumerals combined with mathematical operations
14
How many terms does the expression 9y + 6x + 3 - 4y + 276 consist of?
3
6
4
5
15
Who is the BEST teacher in Yr 8?
Mrs Lacey
Ms McGariggle
Mr Rayeroux
Mr Bushell
16
What is the coefficient of x in the expression x - 12
12
0
1
-12
17
The sum of a and b is doubled is given by
2ab
2(a + b)
a + b
none
18
In 10x + 11. Which is the coefficient?
10
11
x
none
19
The variable t subtracted from 30 is
30-t
30t
30+t
300/t
20
What is the best definiton of the number 12?
a constant term
a coefficient
a variable
a term
21
What is the value of a + 2b if a and b both equal 5?
none
5
10
15
22
What are the terms in the expression 3a+4b+3ab
10abba
3a, 4b, 3ab
3, 4, a, b
a & b & ab
23
For the expression x+3y+10, what is the coefficient of x?
1
10
3
3
24
Simplify the expression 4x + 3y - 2x + 7y by combining like terms
2x +10 y
10xy
12xy
6x +10 y
25
Factorise 6y
3
- 18y
2
6y2(y - 3)
6y(y2 - 3y)
3y2(2y - 6)
3y(2y2 - 6y)
26
Are 10 y
2
x and 23 x
2
y like terms?
No
Yes
27
If x=5, what is 3x+6?
21
20
22
35+6
28
Simplify the expression 7ac + 3b – 2ca + 4b – 5b by combining like terms
5ac - 2b
2ab
5ac + 2b
5ac
29
The quotient of k and 2 is
2k
k/2
k + 2
k - 2
30
Which of the following expression is equivalent to 4(ab + 2c) ?
None of these
4ab+2c
4ab+8c
4ab+24c
31
What is the coefficient of
a
in the expression 5a + 2b?
7
2
none of the above
5
