Square Roots
Challenge:
Choose someone fast
Run to Mr. Fenton for a high five in 20 sec.
J306
Solve the equation using square roots.
x^2+1=0
no solution
x^2=-1
Find the value of c to complete the square.
x^2-22x+c
121
solve by factoring:
x2+3x+2=0
x=-1 x=-2
Solve using the quadratic formula:
3x2-54x+231=0
x=11 x=7
Solve the equation using square roots.
3x^2-12=0
3x^2=12
x^2=4
x=+-2
Solve the equation using square roots.
-3x^2+16=-11
-3x^2=-27
x^2=9
x=+-3
Complete the square for the expression. Then factor the trinomial.
x^2+7x=0
x^2+7x+49/4
(x+7/2)^2
Solve by factoring:
2x2-7x-4=0
x=-1/2 x=4
Solve using quad form
4x2+12x=-1
-3+/- 2sqrt2
2
Solve the equation using square roots.
(x+4)^2=49
x+4=+-7
x=3, x=-11
Solve using square roots.
(2x+1)^2=25
2x+1=+-5
2x+1=5, 2x+1=-5
2x=4, 2x=-6
x=2, x=-3
Solve the equation by the completing the square.
x^2-8x=9
x^2-8x+16=9+16
(x-4)^2=25
x-4=+-5
x=9, -1
Solve by factoring:
x3+5x2=-6
x=0
x=-2
x=-3
Challenge: choose someone sneaky
20 seconds to steal a marker from Mr. Licht
J322
Solve the equation using square roots.
81x^2-49=-24
81x^2=25
x^2=25/81
x=+-5/9
Solve the equation using square roots.
(3x+1)^2=25
3x+1=+-5
3x+1=5, 3x+1=-5
3x=4, 3x=-6
x=4/3, x=-2
Solve the equation by the completing the square.
3x^2-12x=18
x^2-4x=6
x^2-4x+4=6+4
(x-2)^2=10
x-2=+-sqrt(10)
x=2+sqrt(10), 2-sqrt(10)
Solve by factoring:
x2-11x+22=-2
x=8 and x=3
Team Challenge:
Sing 2 different Taylor Swift songs (must last 10 sec each)
Solve the equation using square roots. (Simplified fraction or decimal)
25(x+2)^2=49
(x+2)^2=49/25
x+2=+-7/5
x=-2+-7/5
x=-3/5, -17/5
x=-0.6, -3.4
Solve the equation using square roots. (Simplified fraction or decimal)
4(x-10)^2=9
(x-10)^2=9/4
x-10=+-3/2
x=10+-3/2
x=23/2, 17/2
x=11.5, 8.5
Team Challenge:
as a team, sing I'm a little tea pot
Team challenge, all play:
Complete a total of 40 air squats (split up however desired) in 60 seconds
All play challenge
as a team stand up and perform 1 round of head, shoulders, knees and toes. 30 sec.