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Duplicate of Algebra
Duplicate of Algebra
30 terms
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BASICS OF ALGEBRA
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
The sum of a variable y and a number 5 can be expressed as
5-y
y-5
y
y+5
2
Are 10 y
2
x and 23 x
2
y like terms?
No
Yes
3
How many terms does the expression 9y+ 6x + 3 - 4y + 5 consist of?
3
5
4
6
4
What are the individual terms in the expression 3a+4b+3ab
3a,4b
3a,4b, 3ab
3ab
3, a, b
5
The number in front of a pronumeral is called as
coefficient
expression
variable
term
6
What is 12?
constant term
variable
coefficient
term
7
What is the value of a + 2b if a and b both equal 5?
none
10
15
5
8
An expression is a combination of
pronumerals combined with mathematical operations
numbers and pronumerals with mathematical operations
None
numbers combined with mathematical operations
9
In 10x + 11. Which is the coefficient?
11
1
10
x
10
Simplify the expression 7ac + 3b – 2ca + 4b – 5b by combining like terms
5ac + 2b
5ac - 2b
2ab
5ac
11
5 is added to one half of k
k/2 - 5
5
k/2 + 5
k/2
12
Which of the following pairs are not like terms
12ab2 and 10b2a
–3x2y and 5x2y
11q2r and 10rq
–15ab2c and –10cba2
13
The product of 7 and t is
7t
7T
7-t
7/t
14
If x=5, what is 3x+6?
21
22
35+6
20
15
Simplify the expression 4x + 3y - 2x + 7y by combining like terms
6x +10 y
10xy
2x +10 y
12xy
16
What is the coefficient of a in the expression 5a+2b?
7
none of the above
2
5
17
What is the coefficient of x in the expression x - 12
-12
12
0
1
18
State the coefficient of b in the expression 3a + 4ab + 5b
2
+ 7b.
7
5 and 7
3
5
19
The sum of a and b is doubled is given by
2(a + b)
none
2ab
a + b
20
Joe has lollies (z) he gives half to his brother, then eats 10 of the rest. How many are left?
z/2 +10
10
z/2 -10
2z -10
21
The expression 5a + 7b + c – 3ab + 6 has how many terms
5
6
4
3
22
The expression 3x - 2y +14z + 8 has no constant term.
False
True
23
Are 5abc and –8abc like terms?
No
Yes
24
For the expression, 5h+12jh+11 the coefficient of h is
12j
11
0
5
25
Which of the following expression is equivalent to 4ab + c ?
4ba + c
c + 4a
4ba - c
None
26
In Maths a pronumeral is also called
term
variable
expression
coefficient
27
The variable t subtracted from 30 is
30+t
30t
300/t
30-t
28
For the expression, -10r + s + 12sr, the coefficient of r is
-10
12
0
10
29
For the expression x+3y+10, what is the coefficient of x?
1
3
3
10
30
Evaluate the expression 2x – 3y when x=1 and y =4
-10
-11
11
10