Math 7 Unit 1 Quiz 2 Review (22-23)

Find the value of the expression: 6.55 + (-9)

• 2.45

• -2.45

• -3.55

• -15.55

Find the value of the expression: 2.14 + (-7)

• -9.14

• -14.14

• -4.86

• -5.14

Find the value of the expression: -3.8 - (-3.8)

• -6.6

• 0

• -7.6

• 7.6

Find the value of the expression: -1.4 - (-1.4)

• -2.8

• 2.8

• 1

• 0

Is 5.1 - 8.8 positive, negative, or zero?

• positive

• negative

• zero

Is 1.9 - 3.8 positive, negative, or zero?

• positive

• negative

• zero

Is 1.6 - (-1.6) positive, negative, or zero?

• positive

• negative

• zero

Is 7.8 - (-7.8) positive, negative, or zero?

• positive

• negative

• zero