Linear Congruences

If 13 ≡ x (mod 2), then find x.

• 2

• 4

• 1

• 6

If 22 ≡ x (mod 5 ), then find x.

• 6

• 7

• 8

• 9

If 91 ≡ x (mod 13), then find x.

• 1

• 2

• 3

• 0

If 69 ≡ x (mod 7), then find x.

• 62

• 63

• 64

• 60

If -2 ≡ x (mod 3), then find x.

• 0

• 1

• 2

• 3

Identify positive integers that make each congruence statement true:

27 ≡ 5 (mod m)

• 11

• 12

• 13

• 10

Identify positive integers that make each congruence statement true:

1000 ≡ 1 (mod m)

• 6

• 7

• 8

• 9

Identify positive integers that make each congruence statement true:

1331 ≡ 0 (mod m)

• 2

• 10

• 665.5

• 1331