Describe the transformation: f(x)=(x-8)2
Shifted right 8
Solve for x: 4x2 = 400
x = 10 & -10
i39 = ???????????????
-i
Find the value of C that completes the square:
x2 +10x +c
c = 25
Solve using the quadratic formula: x2 -14x +49 =0
x = 7
Describe the transformation: f(x)=(x+17)2 -13
Shifted left 17 and down 13
Solve for x: 3x2 -18 = 57
x = 5 & -5
Sq. Root of -64
+/- 8i
Find the value of C that completes the square:
x2 -26x +C
C = 169
x2 -4x +3 =0
x = 3 & 1
Describe the transformation: f(x)=2(x-3)2 +5
Vertical stretch of 2, right 3, and up 5
Solve for x: x2 -10x +16 = 0
x = 2 & 8
(4+2i) - (7-12i)
-3+14i
Complete the square and solve for x: x2+6x+3=0
x = -3 +/- sq.rt. 6
x2 +121 = -22x
x = -11
Multiply: (3w+7)(2w-4)
6w2+2w-28
Solve for x: x2 -4x -45 = 0
x = 9 & -5
(3+2i)(5+4i)
7+22i
Complete the square and solve for x: x2 -10x+7=0
x = 5 +/- 3sq.rt.2
Find the discriminant, say what type of answers you will get, and then solve. x2 +12x +36
0; one real: x=-6
Solve for x: 2x2 -28x +48 = 0
x = 12 & 2
(16+14i)(27-7i)
530+266i
Complete the square and solve for x:
x2 +12x +8 = 0
x = -6 +/- 2 sq.rt. 7
Find the discriminant, describe your roots, then solve: x2 -x +6 = 0
-23; two imaginary: x = (1+/- i sq.rt. 23)/2