Show:
Factoring
Quadratic Formula
Complete the Square
Solve using Square Roots
Simplify the
Expression
100
x^2+5x=0
x=-5 and x=0
100
-9x^2-6x-1=0
x=-1/3
100
Fill in the blank to complete the square: x^2-6x+____
9
100
3x^2=108
x=6 and x=-6
100
√(9/8)
(3√2)/4
200
k^2+12k-45=0
k=-15 and k=3
200
x^2+4x-3=0
x=-2+√7 and x=-2-√7
200
Fill in the blank to complete the square: x^2+10x+____
25
200
5y^2+4=14
x=√2 and x=-√2
200
(2-3i)-(6-5i)
-4+2i
300
3x^2-24x-48=0
x=4+4√2 and x=4-4√2
300
3x^2+6x+2=0
x=(-3+√3)/3 and x=(-3-√3)/3
300
Fill in the blank to complete the square: x^2+9x+____
81/4
300
3(p+1)^2=81
x=-1+3√3 and x=-1-3√3
300
(5+i)(4-2i)
22-6i
400
4x^2-20x+25=0
x=2.5
400
2x^2-5x+8=0
x=(5+i√39)/4 and x=(5-i√39)/4
400
x^2-8x+13=0
x=4+√3 and x=4-√3
400
4(x-7)^2=80
x=7+2√5 and x=7-2√5
400
2/(4+√11)
(-2√11+8)/5
500
20a^2-13a-21=0
a=-.75 and a=1.4
500
6x^2-8x+3=0
x=(4+i√2)/6 and x=(4-i√2)/6
500
x^2-6x-15=0
x=3+2√6 and x=3-2√6
500
2(x+8)^2=108
x=-8+3√6 and x=-8-3√6
500
(4i)/(-3+6i)
8/15-4i/15