Mathematics Quiz

Indicate whether the statement is true or false: 7z - 9 = 12, if z = 3.

• True

• False

Indicate whether the statement is true or false: -2c/3 = 4, if c = -6.

• True

• False

Indicate whether the statement is true or false: 7a + 4 + 5a = 47, if a = 3.

• True

• False

Indicate whether the statement is true or false: 30 - 7x = -2, if x = 4.

• True

• False

Indicate whether the statement is true or false: The expression 7m is equivalent to 5 · m · 2.

• True

• False

Indicate whether the statement is true or false: The sum of the following expression is 10/21: 1/7 + 1/3.

• True

• False

Indicate whether the statement is true or false: The difference of the following expression is 5/45: 7/9 - 2/5.

• True

• False

Indicate whether the statement is true or false: The product of the following expression is 13: 104/14 × 21/12.

• True

• False

Indicate whether the statement is true or false: The quotient of the following expression is 1/100: 1/70 ÷ 1/10.

• True

• False

Indicate whether the statement is true or false: The value of the following expression is 6 5/6:

2 1/2 + 3 1/4 × 1 1/3.

• True

• False