Show:
Complex Numbers
Completing
the Square
Transformation of Quadratic Graphs
Quadratic Formula and Discriminant
100
simplify √ ̅-81
9i
100
solve the equation by using the square root property x^2+12x+36=6
{-8.45,-3.55}
100
write this function in vertex form y=-4x^2-24x-15
y=-4(x+3)^2+21
100
solve the equation by using the quadratic formula solve the equation by completing the square x^2+12x-9=0
x=-6+3√ ̅5 x=-6-3√ ̅5
200
simplify i^40
-1
200
solve the equation by using the square root property x^2+18x+81+15
{-12.87,-5.13}
200
write this function in vertex form y=x^2+2x+7
y=(x+1)^2+6
200
solve the equation by using the quadratic formula 10x^2-3=13x
(1.5, -0.2)
300
Simplify (6-11i)—(-3+2i).
9-13i
300
solve the equation by using the square root property 3x^2-6x-9=0
x=3 x=-1
300
write the function in vertex form y=-x^2-4x-1
y=-(x+2)^2+3
300
Find the value of the discriminant. 6x^2+5x-1=0
49
400
Simplify (1-5i)(7+6i)
37-29i
400
solve the equation by completing the square x^2-10x+29=0
{5-2i, 5+2i}
400
Write the function in vertex form. y=x^2-6x+3
y=(x-3)^2-6
400
Find the discriminant of x^2+2x-4=-9
-16
500
find the sum of ix^2-(4+5i)x+7 and 3x^2+(2+6i)x-8i
(3x+i)x^2+(-2+i)x-8i+7
500
find the value of c that makes the trinomial a perfect square. then write the trinomial as a perfect square x^2-3.2x+c
2.56; (x-1.6)^2
500
Graph the function. y=9x^2-8
photo
500
Find the exact solutions by using the quadratic formula. 5x^2+8x=0
0,-8/5