90B Practice Final

What is the greatest common factor (GCF) of the terms in the expression 12a^2b^2 - 36a^2b + 30ab^2?

• 6ab

• 6ab^2

• 3ab

• 12ab^2

Which of the following expressions is considered "prime" (cannot be factored further)?

• x^2 + 4x - 3

• x^2 - 25

• 49x - 14x^2 + x^3

• a^2b + 5ab - 36b

What is the result of factoring the expression 5x(2x - 3) - 25(2x - 3)?

• (5)(x - 5)(2x - 3)

• (5)(x - 5)(2x + 3)

• (5)(x + 5)(2x - 3)

• (5)(x + 5)(2x + 3)

What type of equation is represented by x^2 + 4x + 3 = 0?

• Linear equation

• Quadratic equation

• Cubic equation

• Exponential equation

What is the solution to the equation x^2 = 121?

• x = 11

• x = 10

• x = -11 or x = 11

• x = -10 or x = 10

What is the result of simplifying the expression (x + 4)(x + 4)?

• x^2 + 8x + 16

• x^2 + 4x + 4

• 2x^2 + 8x + 8

• x^2 + 16

Which equation is an example of a cubic equation?

• x^3 - 27

• x^2 + 4x + 3 = 0

• x^2 = 121

• 2x^2 - 4x = 3x^2 + 3

For which value of x is the expression (7x + 3) / 2x undefined?

• x = 0

• x = -3/7

• x = 3/2

• x = 1

What is the simplified form of the expression (11x^2 + 10x - 1) / 8 when x = 1?

• 5/2

• 5/4

• 10

• 20/8

Which of the following values of x makes the expression 4 / (3x - 5) undefined?

• x = 5/3

• x = 0

• x = 1

• x = 3