Illustrating Rational Algebraic Expressions Q1 Wk 3 Pretest

What expression contains operations, numbers, and one or more variables?

• Basic Expressions

• Numerical Phrases

• Algebraic Expressions

• Operational Coefficients

What is the constant in the expression 4x² – 2x + 5?

• 4

• 2

• 1

• 5

How many terms are there in the expression 3x + 1?

• 1

• 2

• 3

• 4

What are the operations used in the expression 2x + y – 1?

• + only

• – only

• Both + and –

• Neither + nor –

What are the literal coefficients in the expression 2x + y + 3z?

• x and y

• x and z

• y and z

• x, y and z

What expression refers to the ratio of both polynomial numerator and denominator?

• Algebraic Expressions

• Basic Rational Expressions

• Rational Numerical Phrases

• Rational Algebraic Expressions

What is the excluded value of the rational function,

 $\frac{P\left(x\right)}{Q\left(x\right)}$  

• Q(x) ≠ 0

• Q(x) = 0

• Q(x) ≥ 0

• Q(x) ≤ 0

Which of the following is an algebraic expression?

• 3x + 2y = 2

• x + 1

• 3 + 4 = 7

• 4 + 2

What is the name of a term with no variable in an algebraic expression?

• Coefficient

• Variable

• Constant

• Factor

What do you call of the numerical factor of a term that contains a variable?

• Coefficient

• Term

• Constant

• Factor