Algebra

Which equation shows that the total price of two identical items is $30.00?

• 2 + n = 30

• 2 x n = 30

• 30 - n = 2

• 2 x 30 = n

4 + 4 = 8 is an example of an...

• Equation

• Variable

• Expression

• Constant

3a - 1 is an example of an...

• Constant

• Equation

• Expression

• Variable

Select the expression that means 10 less than a number, k

• k/10

• 10 - k

• k - 10

• k x 10

3 + a = 12. In this equation, a is a...

* Please read this question carefully.

• Constant

• Expression

• Variable

• Equation

Replace variable so the two expressions in the equation are equal. 3a + 1 = 2 + 2

• a = 2

• a = 4

• a = 0

• a = 1

A quantity with a fixed value that does not change or vary is called a...

• Equation

• Constant

• Variable

• Expression

One day, 4 girls and 3 boys are playing musical chairs. Write an EXPRESSION for the number of children.

• 4 + 3 = 7

• 4 + 3

• 7

• Not enough information is provided

Equations MUST be balanced or equal

• True

• False

Select the rule that has the same meaning as the expression 10 + 3n

• 10 less than 3 times a number

• Add 10 to 3 times a number

• 3 more than 10 times a number

• 3 less than 10 times a number