Free Printable Know Your Boundaries!

1.

It is an equality that contains a

polynomial of degree 2 and can be written in any of the

following forms. Where a, b and c are real numbers and a ≠ 0.

$ax^2+bx+c>0\ \ \ \ \ \ \ \ \ ax^2+bx+c\ge0\ \$ $ax^2+bx+c<0\ \ \ \ \ \ \ \ \ \ ax^2+bx+c\le0$

a)

Quadratic Equation

b)

Quadratic Inequality

c)

Quadratic Expression

d)

Quadratic Function

2.

The following symbols are used to denote inequality except

a)

$<$

b)

$\ge$

c)

$=$

d)

$>$

3.

Which of the following is an example of quadratic inequality?

a)

$2x^2+3x+4>0$

b)

$15x\ge10$

c)

$x^2-x+15<-30$

d)

$x^2+4x-5=0$

4.

What is the solution of the quadratic inequality $2x^2−x<15$ ?

a)

$\left(-\frac{5}{2},3\right)$

b)

$\left[-\frac{5}{2},3\right]$

c)

$(−∞,-\frac{5}{2})\cup(3,+∞)$

d)

$\left(−∞,\frac{5}{2}\right)\cup\left(3,+∞\right)$

5.

Solve for the Inequality: $x^2+2x−3\le0$

a)

$\left(-3,1\right)$

b)

$\left(-3,-1\right).$

c)

$(−∞,−3)\cup(1,+∞)$

d)

$[-3,1]$

6.

What is the solution of the quadratic inequality $x^2-12>4x$ ?

a)

$\left(-\infty,-2\right)\cup\left(6,+\infty\right)$

b)

$\left[-2,6\right]$

Know Your Boundaries!

Total questions: 6

Worksheet time: 10mins

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