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