Quadratic Formula Quiz Review

Quadratic Formula Rational Answers

100

Use the Quadratic Formula to solve

x^2 +5x+6=0

x=-3 x=-2

200

Use the Quadratic Formula to solve

x^2 -15x+36=0

x=3 x=12

300

Use the Quadratic Formula to solve

 x^2+12x-13=0 

x=-13 x=1

400

What is the error in the following start of this problem?

x^2-20x+200=0

(-20+- sqrt(20^2-4(1)(200)))/2

should be 20 in front not -20.

500

Solve using the Quadratic Formula

2x^2-3x-9

x=3/2 x=-3

I like math but don't feel like doing it so I picked this category

100

I flip a coin, what is the probability that I get heads

50%

200

What is the order of a rainbow?

ROYGBIV

300

You live by yourself on a farm down in southern northern New Hampshire. On this farm you have 8 pigs, 10 cows, 3 goats, 12 cats, 2 dogs, 3 snakes and 15 fish. How many mammals live at the farm?

36 (if you got it wrong, you probably didn't count yourself)

400

If my sister was half my age when i was 10, how old will she be when I am 48

43

500

Finish the song lyrics:

The ______________

Literally any song lyrics that follow the word the

Quadratic Formula Harder Answers

100

Solve using the quadratic formula

x^2+3x+1=0

(-3+- sqrt(5))/2

200

Solve using the quadratic formula

x^2-5x+9=0

(5+-3i)/2

300

Solve using the quadratic formula

x^2+6x+1=0

-3+-2sqrt2

400

Solve using the quadratic formula

8x^2+10x+5=0

(-5+-isqrt15)/3

500

Solve using the quadratic formula

2x^2+8x+15=0

(-4+-isqrt14)/2

Discriminants

100

Find the value of the determinant

x^2-5x+3=0

 

13

200

x^2+8x-7=0

Find the value of the discriminant

92

300

Find the value of the discriminant. Tell the number and type of solutions.

x^2+2x+8=0

-28

2 complex numbers

400

Find the value of the discriminant. Tell the number and type of solutions.

2x^2+9x+4=0

49

2 real rational roots

500

Find the value of the discriminant. Tell the number and type of solutions.

-3x^2+12x-12

0

1 real rational root

I don't like math so I picked this category

100

How many months have 28 days?

All of them...duh

200

What room number are we in right now?

334, cmon folks its on your schedule

300

When is our Quadratics Post Test?

Wednesday 2/9. I said it at least 5 times yesterday, better not have gotten this wrong

400

How do you spell my last name?

Campbell (Cmon guys, this one is also on your schedule)

500

Are the Star Wars prequels better than the originals? (No this is not an opinion based question)

Obviously, if you said no I am actively shaking my head in shame right now