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Algebra Basics!
Algebra Basics!
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Quiz on some algebra basics!
Flashcards
19 cards
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Practice quiz
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Questions
19
Answers
1
The sum of
a
and
b
b + a
a + b
ab
a - b
2
Is a < b ?
Huh? I just woke up...what are we doing???
yes
no
We don't know. We weren’t given enough information.
3
3 less than
x
3 - x
x ÷ 3
x + 3
x - 3
4
What is the coefficient of
xyz
?
x
0
xyz
1
5
Which equation describes this?
d = 100s
s = 100d
d = s ÷ 100
sd = 100
6
To expand a bracket means to multiply each term in the bracket by the expression outside the bracket. Expand ½(2a + b)
a + b/2
½ab
½ ( 2 a + b )
a + ½b
7
The product of 4 and
p
4p
4 + p
p ÷ 4
p - 4
8
In the following questions, choose the algebraic expression which fits the word sentence.
Wait, what??
Ok
9
To expand a bracket means to multiply each term in the bracket by the expression outside the bracket. Expand 3(2
a
+
b
)
6a + b
3 ( 2 a + b )
32a + b
6a + 3b
10
Fully factorise 3
x
2
- 12xy
3x(x - 4y)
1(3x2 - 12xy)
3(x2 - 4xy)
x(3x-12y)
11
One third of
r
is added to 10
1/3(r + 10)
1/3r + 10
10 + 1/3r
10/3r
12
Expand and simplify 5(x + 3x)
5x + 3
5 x + 3x
8x
20x
13
7 more than
y
7y
y + 7
7 - y
7 +y
14
Half of
q
is subtracted from 4
(4 - q)/2
(q-4)/2
½q - 4
4 - ½q
15
The sum of
b
and
c
multiplied by 2
(b -c) × 2
2bc
2b2c
(b +c) × 2
16
The sum of
b
and twice the value of
c
2b + c
2bc
b + 2c
2 × (b+c)
17
What is the coefficient of 2
ab?
2
ab
a
b
18
Expand a(2 – b + c)
2a – ab + ac
2a - 2b + 2c
2 - ab + ac
2a - b + c
19
Which of the following describes variables?
They stand in for numbers in rules/formulas
They stand in for unknown numbers in problems
They represent objects, like apples and bananas
