5emes - Review quiz - Algebra+negative numbers

5 + ? = - 10

• -15

• -5

• 5

• -10

5 - ? = 10

• -15

• -5

• 15

• -10

• -5 + ? = -10

• -15

• -5

• 5

• -10

• -a + ? = 0

• -a

• 0

• a

• 2a

• Which of these are opposite numbers?

• 0 and 5

• a and -a

• -10 and 10

• Opposite numbers always ...

• give 0 when multiplied

• have the same sign

• are the same

• add up to zero

• 0

• -6x

• 6x

• x

• 0

• -8b

• 8b

• b

• 0

• 26

• -1

• 12

• 10

• 27

• 9

• 2