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Naily [24]
3 years ago
9

How do you solve x^4-16x^2-720=0

Mathematics
1 answer:
kirill115 [55]3 years ago
7 0

Answer:x

=

6

,

−

6

,

2

i

√

5

,

−

2

i

√

5

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Write the quadratic equation whose roots are −6 and 3, and whose leading coefficient is 4.
Leya [2.2K]

Answer:

y= 4(x+6)(x-3)

Step-by-step explanation:

same as before :)

5 0
3 years ago
What is the slope of the line that passes through the given points (6,-1) and (-3,-1)
vaieri [72.5K]

Hello : let  A(6,-1)    B(-3,-1)<span>
the slope is :   (YB - YA)/(XB -XA)
(-1+1)/(-3+6)  = 0
the slope is : 0 ...(answer :   </span>B.) 0 )


8 0
3 years ago
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What is Circumference= 21.98 in. <br>​
Cerrena [4.2K]

Answer:

38.45

Step-by-step explanation:

5 0
3 years ago
Please help me prove that ED is congruent to BA! I thought I had it right by proving right and vertical angles, but I’m missing
Vikki [24]

Step-by-step explanation:

\overline{DA} \text{ bisects } \overline{EB}     is given

\overline{BC} \cong \overline{EC}  definition of <u>bisect</u>

<u />\overline{EB} \perp \overline{ED}, \, \overline{EB} \perp \overline{BA}  are both given

<u />\angle B, \, \angle E \text{ are right angles}  definition of perpendicular

\angle B \cong \angle E   because all right angles are congruent

\angle{ACB} \cong \angle{DCE}  vertical angles are congruent

\triangle{ACB} \cong \triangle{DCE}   ASA (angle-side-angle)

\overline{ED} \cong \overline{BA}  CPCTC (corresponding parts of congruent triangles are congruent)

5 0
3 years ago
Find the residual if you know the actual number is 3 and the predicted value is 1.6
IgorC [24]

Answer:

The correct option is A.

Step-by-step explanation:

The difference between actual value and predicted value is called residual.

Formula of residual is

e=y-\hat{y}

Where, y is observed value or actual value and \hat{y} is predicted value.

e=3-1.6

e=1.4

The value of residual is 1.4 and option A is correct.

5 0
3 years ago
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