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Maths

Oliver Hall 13 preguntas

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Preguntas del test (13)

1If a=2, b=-3 and c=7 what is c-b?
1. A10
2. B-10
3. C8
2If a=2, b=-3 and c=7 what is c/a+b?
1. A7
2. B-7
3. C8
3If x=9, y=13 and z=15 what is yz?
1. A295
2. B349
3. C800
4Solve the equation,
3x-7=17
1. A8
2. B9
3. C6
5Solve the equation,
13-19x=51
1. A-2
2. B2
3. C4
6Solve the equation,
2-3x=2x-33
1. A35
2. B40
3. C58
7What is the prime factorization of 42?
1. A2x7x3
2. B2x7x4
3. C3x9x2
8What is the highest common factor of 42 and 63
1. A21
2. B42
3. C126
9If 21 squared =441 what is the prime factorization of 21?
1. A7x3
2. B7x7
3. C11x2
10If 21 squared =441 what is the prime factorization of 441?
1. A7x7x3x3
2. B7x11
3. C3x7x3