Grade 11 Mathematics Quiz

What is a proper rational expression?

• The denominator is zero

• The numerator is zero

• The degree of the numerator is greater than the degree of the denominator

• The degree of the numerator is less than the degree of the denominator

What is the purpose of partial fractions?

• To multiply fractions

• To add fractions

• To simplify the expression

• To find the roots of the polynomial

What happens if the degree of the numerator is equal to the degree of the denominator?

• It is a proper rational expression

• It is always zero

• It is an improper rational expression

• It cannot be simplified

What is the first step in decomposing a rational expression?

• Factor the polynomial in the denominator

• Subtract the expressions

• Add the numerators

• Multiply the denominators

What do you call a rational expression where the degree of the numerator is greater than the degree of the denominator?

• Improper rational expression

• Simplified expression

• Proper rational expression

• Complex expression

What is the first step in decomposing a rational expression into partial fractions?

• Subtract the fractions

• Factor the polynomial expression

• Add the fractions

• Multiply the fractions

Which operation is NOT part of the basic four operations on rational numbers?

• Multiplication

• Exponentiation

• Subtraction

• Addition

What is the value of the signum function sgn(-5)?

• 5

• 1

• 0

• -1

Determine the greatest integer value of 4.7.

• 5

• 4

• 4.5

• 3

In the function f(x) = |x| + 2, what is the y-intercept?

• (0, 2)

• (1, 2)

• (0, 1)

• (0, 0)