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GCSE angles and algebra basics Flashcards | StudBud
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GCSE angles and algebra basics
GCSE angles and algebra basics
20 terms
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Basic angle and algebra
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
2 internal angles are 65° and 35°, what would the opposite external angle be?
90°
80°
100°
260°
2
Factorise: 6a + 4
2(3a + 2)
2(3a + 4)
2(a3 + 4
2a(3 + 3)
3
Alternate angles are...
awkward
opposite
=180°
equal
4
Simplify: 2a + 4b + a + c
3a4bc
3a + 4b + c
a + 4b + c
12abc
5
Expand and simplify: 4(a + 3) -2(a - 3)
2a - 6
2a + 18
2a + 6
6a - 6
6
a
6
÷ a
2
a8
a4
a12
a3
7
8q
2
r
2
s
2
÷ 4q r
2
s =
2qs
2qrs
4q2 s
2qr2 s
8
Expand: 2a(4a + 2)
8a2 + 4a
6a2 + 4
8a + 4a
8a2 + 2
9
Solve: 4(a - 2) = 2a + 6
a = 4
a = 7
a = 0.33
a = 2
10
Factorise fully: 6a
2
+ 9ab
3(2a2 + 3ab)
3a(2a + 3b)
3a(2 + 3ab)
3a(a + 3b)
11
Expand: 3a(a
2
+ 2a)
3a3 + 6a2
3a3 + 5a2
3a2 +2a
3a2 +6a
12
How many minutes are left of this lesson?
27.5
not enough
too many!
none, it's time to go!
13
If a = 7 and b = 2 solve: 4a ÷ b
28
5.5
14
10.5
14
What sort of angle is = to the opposite 2 internal angles of a triangle?
opposite
equalateral
obtuse
external
15
Solve: (don't guess!!) If a = 3 and b = 4 solve 2a + 3b
16
14
18
12
16
a
3
x a
4
=
a12
a10
a9
a7
17
Expand and simplify: 4(a - 6) -3(a + 4)
a - 12
a - 36
a + 36
a + 12
18
If a = 5 and b = 2 solve: 4a ÷ b
12
10
22
20
19
4pq
2
r
2
÷ 2pq
2pqr
2qr2
2pqr2
2qr
20
If an exterior angle =115°, 1 opposite interior angle = 55°, what is the other internal angle?
55°
120°
60°
170°
