What is the quadratic formula?
Identify a, b, and c
-x2+2x=1
a=-1 b=2 c=-1
Solve by completing the square
x2+6x-7=0
*write your answer in ordered pair
(1,0) (-7,0)
what value of c would create a perfect square trinomial?
x2+8x+___
16
A farmer has 17 sheep and all but 9 died. How many are alive?
9
Solve the following using quadratic question
x2+2x+16=0
*write your answer in ordered pair
No real solutions
Solve using the quadratic formula
x2+4x+3=0
*write your answer in ordered pair
(-1,0) (-3,0)
Solve x2-4x=-3 by completing the square
*write your answer in ordered pair
(3,0) (1,0)
Find the value of c
x2-12x+___
36
Which is heavier ? A ton of bricks or a ton of feathers
neither, both weigh the same
Solve using the quadratic formula
x2+8x=0
*write your answer in ordered pair
(0,0) (-8,0)
solve using the quadratic formula
m2-5m-14=0
*write your answer in ordered pair
(7,0) (-2,0)
Solve by completing the square
x2+16x-24
*write your answer in ordered pair
(-8 + 2 squareroot 22, 0 )
( -8 - 2 squareroot 22 , 0 )
solve by completing the square
6x2+12x-34=2
*write your answer in ordered pair
(-1 + squareroot 7, 0 )
( 1 - squareroot 7, 0 )
Mary has 4 daughters. Each of her daughters has a brother. How many children does Mary have?
5
Solve using the quadratic formula
x2-6x=-16
*write your answer in ordered pair
no real solution
solve using the quadratic formula
2m2+2m-12=0
*write your answer in ordered pair
(2,0) (-3,0)
Solve by completing the square
x2-2x=23
*write your answer in ordered pair
(1 + 2 squareroot 6 , 0 )
( 1 - 2 squareroot 6 , 0 )
solve by completing the square
6x2-12x-15=3
*write your answer in ordered pair
(3,0) (-1,0)
How many sides does a circle have?
two. Inside and outside
solve using the quadratic formula
x2=4x+2
*write your answer in ordered pair
( 2 + squareroot 6 , 0)
(2 - squareroot 6, 0)
solve using the quadratic formula
x2+5=6x-4
*write your answer in ordered pair
(3,0)
Solve by completing the square
x2-8x=68
*write your answer in ordered pair
( 4 + 2 squareroot 21, 0 )
( 4 - 2 squareroot 21, 0 )
Find the missing term that makes it a perfect trinomial
x2+__x+36
b=12
If it took 6 people 9 hours to build a barn, how long would it take 12 people to build the same barn?
None, the barn is already built ;)