Polynomials and Equations

A real number 'α' is called zero of the polynomial f(x) if ____

• f(α) = -1
• f(α) = 0
• f(α) = 1
• None of the above

What is the degree classification of this polynomial?
x²+4x-8

• binomial
• trinomial
• quadratic
• cubic

Which is an example of a linear polynomial?

• x²-5
• 6x+4
• 5x⁵
• 2x³-9x²

(x +2)(x + 3)

• x² + 5x + 6
• x² + x + 6
• x² + 5x + 5
• x² + 6x + 6

What is the Area?

• 2x² - 3x - 18 inches²
• 2x² + 3x + 18 inches²
• 2x² + 9x - 18 inches²
• 2x² - 9x - 18 inches²

The geometrical representation of a linear equation

• Straight line

• Curve

• Parabola

• Either (b) or (c)

A linear equation in two variables

• Has a unique solution

• Has two solutions

• Has infinitely many solutions

• two or four solutions

The reason that a degree one polynomial equation ax + by + c = 0 is called a linear equation is that

• It has infinitely many solution

• The geometrical representation is a straight line

• It has two variables

• Both a and b

Which equation is written in STANDARD form?

• y = 1/2x + 2
• y - 3 = -5(x + 2)
• -7x + 2y = 9
• 3x + 2 = y

Write an equation in Standard Form.
A store sells t-shirts for $12 each and sweatshirts for $15 each. You plan to spend $120 on t-shirts and sweatshirts.

• 2x + 5y = 120
• 12x + 15y = 120
• 12 + 15y = 2x
• 12x + 15 = 120