Illustrate Rational Algebraic Expression Week 3 PostTest

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

• Numerical Phrases

• Algebraic Expressions

• Operational Coefficients

• Basic Expressions

What is the constant in the expression 3x² + 5x - 1?

• 3

• 5

• -1

• 1

How many terms are there in the expression 4x² + 3x + 1?

• 4

• 5

• 3

• 2

What are the operations used in the expression 2x + y + 4

• - only

• both - and +

• + only

• neither + nor -

What are the literal coefficients in the expression 5y + x + 8z?

• x only

• y only

• x, y, and z

• x and y only

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

• Basic Rational Expressions

• Rational Numerical Phrases

• Algebraic Expressions

• 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

1. Which of the following is an algebraic expression?

• 4 + 2

• 3 + 4 = 7

• x + 1

• 3x + 2y = 2

Which of the following is an algebraic expression?

• 8 + 5

• 12 - 5 = 7

• 2x + 7

• 3x² - 4y = 5

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

• Factor

• Constant

• Variable

• Coefficient