Lesson T2.1.2
T2.1.2 Substituting into formulae Quiz: KS3 Maths, Unit 2
20 questions
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Lesson T2.1.2, Substituting into formulae: 20 multiple choice questions for the KS3 Maths (National Curriculum), Unit 2: Algebra, written with Revision Ninja.
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The 20 questions
-
Find 3a + 2 when a = 4.
- 11
- 14
- 20
- 9
-
Find 2x² when x = 3.
- 6
- 36
- 12
- 18
-
Find ab - c when a = 5, b = 2 and c = -3.
- -13
- 7
- 13
- -7
-
Find (x + y)² when x = 2 and y = 3.
- 6
- 11
- 25
- 13
-
The area of a rectangle is A = l x w. If l = 7 and w = 4.5, what is A?
- 28
- 31.5
- 11.5
- 31
-
Use v = u + at with u = 3, a = 2 and t = 5. Find v.
- 16
- 10
- 8
- 13
-
Find 4/x when x = -2.
- -8
- -2
- 8
- 2
-
Find 2p - q² when p = 6 and q = 3.
- 3
- 9
- 15
- -3
-
Use C = 2πr with π = 3.14 and r = 5. Find C.
- 15.7
- 10
- 78.5
- 31.4
-
Use F = ma with m = 4 kg and a = 2.5 m/s². Find F in newtons.
- 1.6 N
- 10 N
- 6.5 N
- 2 N
-
Find 3(x - 2)² when x = 6.
- 40
- 36
- 12
- 48
-
Find x³ - 2x when x = -1.
- -1
- 3
- 1
- -3
-
Use s = (u + v)t / 2 with u = 4, v = 8 and t = 3. Find s.
- 9
- 18
- 12
- 36
-
Find ab/c when a = 6, b = -2 and c = 3.
- -4
- 4
- -12
- 12
-
A sequence has rule T = 4n + 1. Find T when n = 10.
- 41
- 401
- 14
- 40
-
A taxi costs £5 plus £2.50 per hour. The cost is C = 5 + 2.5h. Find the cost for 4 hours.
- £15
- £10
- £22.50
- £12.50
-
The formula F = 9C/5 + 32 converts Celsius to Fahrenheit. Find F when C = 25.
- 77
- 45
- 57
- 82
-
A runner covers 150 m in 12.5 s. What is the speed in m/s? Use speed = distance / time.
- 1875 m/s
- 12 m/s
- 162.5 m/s
- 0.083 m/s
-
Find x² - 4xy + y² when x = 3 and y = -1.
- 14
- 6
- 22
- 10
-
A rectangle has length 2.5 cm and width 1.8 cm. Use P = 2(l + w) to find the perimeter.
- 8.6 cm
- 4.3 cm
- 9.0 cm
- 4.5 cm
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