Mathematics

Front

The product of 3 and -2 is

Back

-6

Front

X + X = 2X

Back

True

Front

X times X = 2X

Back

False

Front

The solution of the equation X + 3 = -1 is

Back

-4

Front

2X + 4 = 6X

Back

False

Front

The slope of a line is positive if you go up as you move from right to left

Back

False

Front

The slope of a horizontal line is 0

Back

True

Front

The slope of a line is positive if you go up as you move from right to left

Back

False

Front

It's dark. You have ten grey socks and ten blue socks you want to put into pairs. All socks are exactly the same except for their colour. How many socks would you need to take with you to ensure you had at least a pair?

Back

3

Front

At a party, everyone shook hands with everybody else. There were 66 handshakes. How many people were at the party?

Back

12