Enable text based alternatives for graph display and drawing entry
Try Another Version of This Question
Use the Quadratic Formula to solve the equation:
`2k^2 = -3k-3`
`(3+sqrt(15))/4 , (3-sqrt(15))/4`
`(3+sqrt(15)i)/4 , (3-sqrt(15)i)/4`
`(-3+sqrt(33))/4 , (-3-sqrt(33))/4`
`(-3+sqrt(15)i)/4 , (-3-sqrt(15)i)/4`
`(-3+sqrt(33)i)/4 , (-3-sqrt(33)i)/4`
Box 1:
Select the best answer
↑
X
MathQuill
Basic
General
Intervals
Inequalities
Functions
Trig
x
x
√
n
√
|
|
(
)
π
∞
DNE
x
√
(
)
π
∞
DNE
(
)
(
]
[
)
[
]
—∞
∞
∪
DNE
<
>
≤
≥
or
All Real Numbers
DNE
log
log
n
ln
n
√
|
|
e
sin
cos
tan
arcsin
arccos
arctan
⟨
⟩
∞
DNE
-∞
∞
∪
DNE
[more..]