Review Module 5

Fill in the Blank

Quadratic Equation is mathematical sentence of degree 2 that can be written in the form ax²+bx+c=0 where a,b and c are real numbers and a is not equal to ____.

Fill in the Blank

Quadratic Inequality is an inequality that contains a polynomial degree of ___ and can be

written in the following forms.

Multiple Choice

Which among the following represents a quadratic inequality?

• a. 2x² + 5x + 1 > 0

• b. t² + 4t = 10

• c. 3r + 4 > r

• d. s2 – 9

Fill in the Blank

To solve a quadratic inequality, the first step is to find the roots of its corresponding ________.

Multiple Choice

Who developed the Cartersian Plane?

• Isaac Newton
• René Descartes
• Albert Einstein
• Galileo Galilei

Multiple Select

The graph shown on the left represents which

quadratic inequality?

• $$a.y\ge x^2-6x-12$$

• $$b.\ y\le x^2+6x-12$$

• $$c.\ y\le x^2-6x+12$$

• $$a.y\ge x^2+6x+12$$