Quadratic Inequality

It is a mathematical sentence of degree 2 and uses inequality symbol.

• linear inequality

• quadratic equation

• quadratic inequality

Which is NOT an  inequality symbol?

•  $<$  

•  $>$  

•  $=$  

•  $\ne$  

Which word/s synonymous to the word INEQUALITY?

• favoritism

• being biased

• discrimination

• racism

Which mathematical sentence is a quadratic inequality?

• $2x^2+9x=11$

• $7x-4>2$

• $5x\ge x^2$

Which quadratic inequality is in standard form?

• $5x^2+3<8x$

• $-x^2+4x\ge7$

• $7x^2-x+1>0$

• $9+x^2-4x\le0$