General Math Questions

What can we say about points A, O and B

• non-collinear

• collinear points

If the sum of angles is 90, then they are called

• supplementary angles

• complementary angles

Calculate: -9 -12

• - 3

• 3

• -21

• 21

calculate: 2Y-5, when Y=3

• 11

• 28

• 18

• 1

The decimal form of 7/50 is:

• 7.50

• 0.14

• 0.07

• 0.23

Is 11/25 a decimal fraction?

• Yes

• No

What can we say about <ACB and <YCV ?

• adjacent angles

• adjacent supplementary angles

• vertically opposite angles

• complementary angles

- 5 - (+20) =

• -25

• 15

• -5

• -15

Compare: opp. (7) _______ -9

• <

• >

• =

+ (-78) - ( -8) =

• -70

• - 86