QUIZ(ILLUSTRATING QUADRATIC INEQUALITIES)

Which of the following is in the form of quadratic inequality?

• ax² + bx +c > 0           

• bx + c < 0

• ax² + bx + c = 0

• bx + c = 0

Which of the following mathematical statements is a quadratic inequality?

 

• 5t² -3r – 20 =0 

• 9h + 18 < 0

• m²  + 9m + 16 = 0

Which of the following is true about quadratic inequality?

• It contains a 2^nd degree polynomial

• It contains a 3^rd degree polynomial

• Two sides of the inequality separated by “=” symbol.

• It can be written in the form of ax² + bx + c = 0.

Which of the following shows a relation of “greater than”?

• (x + 4 )² < x 

• x² + 4 > x

• n² + 1 < 0

A field planted with palay has a length of (x + 3) feet and a width of (x + 2) feet. Its area is at most 2000 square feet. Which of the following quadratic inequalities represents the area?