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Algebra Basics
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Year 10 Algebra...Don't randomise
Flashcards
21 cards
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Questions
21
Answers
1
Match the algebraic expression to the correct phrase. 7 - x
7 subtract the sum of two numbers.
7 take away a number
A number added to 7
The difference between 7 and a number
2
Twenty is subtracted from four times your age. An algebraic expression for this could be...
4x -20
(20 - X) × 4
20 - 4x
20/4 + x
3
Factorise the following: 12x - 18
6 (6x + 12)
6(2x - 3)
3(4x -7)
12 (X - 18)
4
If a car travels at an average speed of 50km/hr how long will it take to travel 250km?
2.5 hrs
5 hrs
0.5 hrs
2 hrs
5
Simplify the following: 2g × 3f
6gf
g2f3
5gf
6g2f3
6
Write this expression in full: 3d
4
× e
1
3 de5
3 × d × d × d × e
81 × d × d × d × 1
3d × 3d × 3d × e
7
If k = 4 then 3k+5 would equal ...
17
12
21
39
8
Which of the following are like terms:
(2b, ½b, -5b, b)
(3y, 6y, 3z)
(x, 3x, x2)
(a, 3a, 5a, 7)
9
Simplify the following expression: 3x + 2x - 7x + x
-3x
-1x
9x
3x
10
Expand the following: 3( y - 4 )
3y - 4
3y -12
3y + 12
3y - 7
11
Find the value of 'x' in: 2x - 3 = 7
3
2
4
5
12
Every number has at least how many factors?
3
2
1
2.5
13
Substitution: let a =2, b =3 and c =-3. Work out 2a + bc
-11
33
13
-5
14
Write the following using Powers: r × r × r
r3
3 + r
3r3
3r
15
Which of the following is false?
Letters should be written in alphabetical order.
Like terms can be added or subtracted but unlike terms can't
a1 b1c1 is the same as abc
5a means the same as a × a × a × a × a
16
Expand the following: f ( f - 2g )
f2 - 2g
f2 - 2gf
2f - 2g
f2 + 2gf
17
Factorise the following: 4xy
2
- 6xy + 8y
2y(2xy - 3x + 4)
2y(2xy - 3xy + 4)
2xy(2 - 3 + 8y)
2y(2xy - 3x + 8)
18
Simplify the following: 5 × X + 1
X + 5
x5 + 1
5x + 1
5x + 5
19
Write the following out in full: t
3
u
2
tu × tu + t
3t × 2u
t × t × t × u × u
2u5 + 3t5
20
Simplify the following: 4x × 2x × 3y × y
24x2y2
9x2y2
10x2y2
8x2 + 3y2
21
Simplify the following using BIMDAS: 15 × X - 4 × y
11x - y
15xy - 4
60xy
15x -4y
