Solving by factoring
Completing the square
Quadratic formula
Solving by taking square roots
Solve by any method
100
Solve this quadratics by factoring.
x2 + 7x +12=0
x=-3,-4
100
Solve x2 +10x=-16 by completing the square.
x=-2,-8
100
Is this quadratic formula?
Yes
100
Solve this equation by taking square roots.
x2 + 1 = 26
x= 5, -5
100
x2 +2x-8=0
x=2,-4
200
Solve this quadratics by factoring.
x2 = 9x -20
x=4,5
200
Solve x2 - 6x + 7 = 0
x =3 ± √2
200
Are these steps right?
Step 1. Identify a, b, and c and plug them into the quadratic formula.
Step 2. Use the order of operations to simplify the quadratic formula.
Step 3. Find the positive answer only.
No - both answers work. (Negative answers are OK too)
200
Solve this equation by taking square roots.
(x-4)2 - 16 = 0
x = 0 or 8
200
2x2-x-4=2
x=3/2 ,1
300
Solve this quadratics by factoring.
x2 + 2x = 3
x = 1,3
300
Solve x2+8x+3= 0
x =-4 ± √13
300
Solve x2 - 8x + 14 = 0 using the quadratic formula.
x = 8 ±√ 8 / 2
300
Solve this equation by taking square roots.
(x+7)2 - 11 = 0
x = -7 ±√11
300
x2+2x-24=0
x=4,-6
400
Solve this quadratic equation by factoring.
X2 + 16 = 10x
x = 2 or x = 8
400
Solve 2x2 +12x = -8
x =-3 ± √5
400
Solve x2 + 4x - 21 = 0 by using quadratic formula.
x = 3 or -7
400
Solve this equation by taking the square root
2(x+3)2 - 242 = 0
x=-14,8
400
x2-11x+19=-5
x=3,8
500
Solve this quadratics equation by factoring.
18x2 - 3x = 6
x = 2/3 or x -1/2
500
Solve 1/2x2 +4x + 6 = 0
x=-6,-2
500
Solve 2x2 = 7x + 6 by using quadratic formula.
x = (7 ±√ 97) / 4
500
Solve this equation by taking the square root
2/3(x-4)2 +4 = 10
x=1,7
500
6x2-18x-18=6
x=4,-1