Free Printable Quadratic Functions

1.

The y-intercept of a quadratic equation is the ___.

a)

a

b)

b

c)

c

d)

x

2.

Which equation is used to find the axis of symmetry?

a)

$x=-\frac{b}{2a}$

b)

$x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

c)

$b^2-4ac$

d)

$\left(\frac{b}{2}\right)^2$

3.

A quadratic equation has a minimum when ___

a)

a < 0

b)

a = 0

c)

a > 0

4.

A quadratic equation has a maximum when ___

a)

a < 0

b)

a = 0

c)

a > 0

5.

Which is not considered to be the solution of a quadratic equation?

a)

root(s)

b)

y-intercept(s)

c)

zero(s)

d)

x-intercept(s)

6.

i =

a)

1

b)

$\sqrt{1}$

c)

-1

d)

$\sqrt{-1}$

7.

Choose the complex number(s).

a)

3i

b)

2x

c)

6 + 7i

d)

8x - 9

8.

$\frac{2+\ 5i}{7-3i}$ Which is the complex conjugate?

a)

7 + 3i

b)

7 - 3i

c)

2 + 5i

d)

2 - 5i

9.

Check all factoring methods.

a)

GCF

b)

Grouping

c)

Completing the square

d)

Discriminant

10.

Completing the square uses ___ to create a perfect square trinomial.

a)

$-\frac{b}{2a}$

b)

$\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

c)

$\left(\frac{b}{2}\right)^2$

d)

$b^2-4ac$

11.

When graphing a ≤ quadratic inequality, the boundary line is dashed.

a)

True

b)

False

12.

When graphing a > quadratic inequality, the boundary line is dashed.

a)

True

b)

False

Quadratic Functions

Total questions: 12

Worksheet time: 6mins

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