Review: Quadratics, Part 1 (#2)

Complex Numbers

100

The imaginary unit, i, is equal to the square root of this number.

What is -1?

200

Express as a complex number in a + bi form:

 (6-7i)+(17-38i) 

What is  23-45i ?

300

This is the exact value of  i^527 .

What is   -i  ?

400

Find the product of  4+7i  and its conjugate.

What is 65?

500

One of the roots of f(x) is  x=(3+sqrt11)/4 . Find the other root.

What is  x=(3-sqrt11)/4 ?

Find the Vertex/AoS

100

Write the equation of the axis of symmetry of the following function:

y=x^2+6x+8

What is  x=-3 ?

200

Write the equation of the axis of symmetry of the function  y=2x^2-8x+11 .

What is  x=2 ?

300

Write the equation for the axis of symmetry of  y=6x^2+24x-19 .

What is  x=-2 ?

400

Find the coordinates of the vertex of the graph of  y=-x^2+8x-14 ?

What is  (4,2) ?

500

Find the coordinates of the vertex of the graph of  y=3x^2-12x+4 .

What is  (2,-8) ?

Simplest Radical Form

100

Express in simplest radical form:

 sqrt(12 

 2sqrt(3) 

200

Express in simplest radical form:  sqrt(-36) 

 6i 

300

Express in simplest radical form:  sqrt(80)+sqrt(20)  

What is  6sqrt(5) ?

400

Express in simplest radical form:   sqrt(64)+sqrt(-64) 

What is  8+8i ?

500

Express in simplest radical form:

 5sqrt(18)+2sqrt(27)+sqrt(98) 

 What is 22sqrt(2)+6sqrt(3) ?

Quadratic Formula

100

What is the quadratic formula?

x =( -b pm sqrt(b^2 - 4ac)) /(2a)

200

Solve the following quadratic equation by using the quadratic formula: x² + 6x + 5 = 0

x = -1, x = -5

300

Solve the following quadratic equation by using the quadratic formula. x² - 9x + 6 = 0

(9 pm sqrt(57))/2

400

Solve the following quadratic equation by using the quadratic formula: 2x² + 9x + 4 = 0

{-1/2, -4}

500

Solve the following quadratic equation by using the quadratic formula. 

4x^2-17x=-12 

Express answers in the form  (p +- q sqrt(r))/s form.

x = (17 pm sqrt(97))/8

Let's "Eat" In

100

Meteorologists are people who study this

What is weather?

200

An animal of any kind might be referred to as one of these.

What are creatures?

300

You're not going to want to eat at all if you're feeling this way. Get me a bucket, I'm gonna hurl!

What is nauseated?

400

This word is a synonym for "awe-inspiring" or "amazing"

What is breathtaking?

500

To give something to someone in your will

What is bequeath?