integer and rational numbers

Which of the following sums has a positive sign?

• 19+(-26)

• -35+17

• -25+(-12)

• 40+(-18)

Which of the following products has a negative sign?

• -3x(-9)

• 0x(-5)

• -2x5

• -1x(-1)

Which of the following is equal to -5 ?

Which of the following is equivalent to

the subtraction operation: -5-(-8) ?

• 5-8

• 8-5

• 5+8

• -5-8

The product of a positive integer and a negative integer is always negative.

• true

• false

• 6

• -6

• 11

• 24