Long Test in Mathematics 7

What do you call the symbol that represents an unknown value?

• Constant

• variable

• term

• Expression

How many terms are there in the expression 2x² + 6x - 3 ?

• 4

• 3

• 1

What are the variables used in 6y² + 5x - 7?

• -7 , 5 ,6

• x

• x, y

• y

What is the first step in evaluating algebraic expression?

• Simplify the second expression

• Simplify the first expression within the parenthesis.

• Perform all indicated operations and simplify the result.

• Substitute the given value for each variable.

What do we call the process of finding the value of the given algebraic expression?

• Evaluation

• Substitution

• Solution

• Expression

What is the result when you evaluate x- 11 when x=3?

• 11

• -8

• 8

• -11

The perimeter of a square table is 200 inches. What conclusion can you make on the length of each side?

• The side of each side of the square is 100 inches.

• The side of each side of the square is 200 inches.

• The side of each side of the square is 50 inches.

• The side of each side of the square is 150 inches.

What do we call the number of times a base is multiplied by itself?

• base

• exponent

• factor

• exponential expression

Which of the following is a monomial expression?

• 2x ² +4

• x² + 4x - 1

• - x

• 10n -1

Two sides of a triangle is 16cm and 17 cm respectively. What is the length of the remaining side if its perimeter is 40 cm?

• 7cm

• 17cm

• 17cm

• 15cm